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Finding the Fourth Proportional to 606,463.20, 909,694.80 and 488,365.20

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Solution

The fourth proportional to 606,463.20, 909,694.80 and 488,365.20 is: 732,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,463.20 : 909,694.80 = 488,365.20 : x
  2. Step 2: Convert to fraction form
    606,463.20/909,694.80 = 488,365.20/x
  3. Step 3: Cross multiply
    606,463.20x = 909,694.80 × 488,365.20
  4. Step 4: Simplify right side
    606,463.20x = 444,263,282,940.96
  5. Step 5: Solve for x
    x = 444,263,282,940.96/606,463.20
  6. Step 6: Final answer
    x = 732,547.80

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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.