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Finding the Fourth Proportional to 606,238,384.80, 909,357,577.20 and 606,238,384.80

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Solution

The fourth proportional to 606,238,384.80, 909,357,577.20 and 606,238,384.80 is: 909,357,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,238,384.80 : 909,357,577.20 = 606,238,384.80 : x
  2. Step 2: Convert to fraction form
    606,238,384.80/909,357,577.20 = 606,238,384.80/x
  3. Step 3: Cross multiply
    606,238,384.80x = 909,357,577.20 × 606,238,384.80
  4. Step 4: Simplify right side
    606,238,384.80x = 551,287,468,807,369,280
  5. Step 5: Solve for x
    x = 551,287,468,807,369,280/606,238,384.80
  6. Step 6: Final answer
    x = 909,357,577.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.