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Finding the Fourth Proportional to 502,683.50, 754,018.68 and 123,607.52

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Solution

The fourth proportional to 502,683.50, 754,018.68 and 123,607.52 is: 185,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,683.50 : 754,018.68 = 123,607.52 : x
  2. Step 2: Convert to fraction form
    502,683.50/754,018.68 = 123,607.52/x
  3. Step 3: Cross multiply
    502,683.50x = 754,018.68 × 123,607.52
  4. Step 4: Simplify right side
    502,683.50x = 93,202,376,120.58
  5. Step 5: Solve for x
    x = 93,202,376,120.58/502,683.50
  6. Step 6: Final answer
    x = 185,409.66

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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.