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Finding the Fourth Proportional to 502,701.53, 754,045.65 and 123,625.53

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Solution

The fourth proportional to 502,701.53, 754,045.65 and 123,625.53 is: 185,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,701.53 : 754,045.65 = 123,625.53 : x
  2. Step 2: Convert to fraction form
    502,701.53/754,045.65 = 123,625.53/x
  3. Step 3: Cross multiply
    502,701.53x = 754,045.65 × 123,625.53
  4. Step 4: Simplify right side
    502,701.53x = 93,219,293,125.44
  5. Step 5: Solve for x
    x = 93,219,293,125.44/502,701.53
  6. Step 6: Final answer
    x = 185,436.66

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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.