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Finding the Fourth Proportional to 606,385.20, 909,577.80 and 606,385.20

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Solution

The fourth proportional to 606,385.20, 909,577.80 and 606,385.20 is: 909,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,385.20 : 909,577.80 = 606,385.20 : x
  2. Step 2: Convert to fraction form
    606,385.20/909,577.80 = 606,385.20/x
  3. Step 3: Cross multiply
    606,385.20x = 909,577.80 × 606,385.20
  4. Step 4: Simplify right side
    606,385.20x = 551,554,516,168.56
  5. Step 5: Solve for x
    x = 551,554,516,168.56/606,385.20
  6. Step 6: Final answer
    x = 909,577.80

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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.