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Finding the Fourth Proportional to 502,645.62, 753,966.72 and 203,122.62

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Solution

The fourth proportional to 502,645.62, 753,966.72 and 203,122.62 is: 304,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,645.62 : 753,966.72 = 203,122.62 : x
  2. Step 2: Convert to fraction form
    502,645.62/753,966.72 = 203,122.62/x
  3. Step 3: Cross multiply
    502,645.62x = 753,966.72 × 203,122.62
  4. Step 4: Simplify right side
    502,645.62x = 153,147,695,559.21
  5. Step 5: Solve for x
    x = 153,147,695,559.21/502,645.62
  6. Step 6: Final answer
    x = 304,683.24

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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.