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Finding the Fourth Proportional to 636,691.80, 953,916.64 and 598,764.34

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Solution

The fourth proportional to 636,691.80, 953,916.64 and 598,764.34 is: 897,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,691.80 : 953,916.64 = 598,764.34 : x
  2. Step 2: Convert to fraction form
    636,691.80/953,916.64 = 598,764.34/x
  3. Step 3: Cross multiply
    636,691.80x = 953,916.64 × 598,764.34
  4. Step 4: Simplify right side
    636,691.80x = 571,171,267,364.62
  5. Step 5: Solve for x
    x = 571,171,267,364.62/636,691.80
  6. Step 6: Final answer
    x = 897,092.23

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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.