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Finding the Fourth Proportional to 572,317.41, 857,331.57 and 344,487.90

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Solution

The fourth proportional to 572,317.41, 857,331.57 and 344,487.90 is: 516,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,317.41 : 857,331.57 = 344,487.90 : x
  2. Step 2: Convert to fraction form
    572,317.41/857,331.57 = 344,487.90/x
  3. Step 3: Cross multiply
    572,317.41x = 857,331.57 × 344,487.90
  4. Step 4: Simplify right side
    572,317.41x = 295,340,352,153.00
  5. Step 5: Solve for x
    x = 295,340,352,153.00/572,317.41
  6. Step 6: Final answer
    x = 516,042.93

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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.