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Finding the Fourth Proportional to 574,332.50, 861,506.04 and 200,355.50

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Solution

The fourth proportional to 574,332.50, 861,506.04 and 200,355.50 is: 300,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,332.50 : 861,506.04 = 200,355.50 : x
  2. Step 2: Convert to fraction form
    574,332.50/861,506.04 = 200,355.50/x
  3. Step 3: Cross multiply
    574,332.50x = 861,506.04 × 200,355.50
  4. Step 4: Simplify right side
    574,332.50x = 172,607,473,397.22
  5. Step 5: Solve for x
    x = 172,607,473,397.22/574,332.50
  6. Step 6: Final answer
    x = 300,535.79

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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.