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Finding the Fourth Proportional to 636,969.69, 955,159.28 and 237,503.20

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Solution

The fourth proportional to 636,969.69, 955,159.28 and 237,503.20 is: 356,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,969.69 : 955,159.28 = 237,503.20 : x
  2. Step 2: Convert to fraction form
    636,969.69/955,159.28 = 237,503.20/x
  3. Step 3: Cross multiply
    636,969.69x = 955,159.28 × 237,503.20
  4. Step 4: Simplify right side
    636,969.69x = 226,853,385,509.70
  5. Step 5: Solve for x
    x = 226,853,385,509.70/636,969.69
  6. Step 6: Final answer
    x = 356,144.71

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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.