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Finding the Fourth Proportional to 417,150.20, 625,354.20 and 150,851.55

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Solution

The fourth proportional to 417,150.20, 625,354.20 and 150,851.55 is: 226,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,150.20 : 625,354.20 = 150,851.55 : x
  2. Step 2: Convert to fraction form
    417,150.20/625,354.20 = 150,851.55/x
  3. Step 3: Cross multiply
    417,150.20x = 625,354.20 × 150,851.55
  4. Step 4: Simplify right side
    417,150.20x = 94,335,650,369.01
  5. Step 5: Solve for x
    x = 94,335,650,369.01/417,150.20
  6. Step 6: Final answer
    x = 226,143.13

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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.