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Finding the Fourth Proportional to 474,023.43, 653,762.61 and 338,013.90

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Solution

The fourth proportional to 474,023.43, 653,762.61 and 338,013.90 is: 466,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,023.43 : 653,762.61 = 338,013.90 : x
  2. Step 2: Convert to fraction form
    474,023.43/653,762.61 = 338,013.90/x
  3. Step 3: Cross multiply
    474,023.43x = 653,762.61 × 338,013.90
  4. Step 4: Simplify right side
    474,023.43x = 220,980,849,480.28
  5. Step 5: Solve for x
    x = 220,980,849,480.28/474,023.43
  6. Step 6: Final answer
    x = 466,181.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.