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Finding the Fourth Proportional to 502,614.60, 753,920.42 and 203,091.72

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Solution

The fourth proportional to 502,614.60, 753,920.42 and 203,091.72 is: 304,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,614.60 : 753,920.42 = 203,091.72 : x
  2. Step 2: Convert to fraction form
    502,614.60/753,920.42 = 203,091.72/x
  3. Step 3: Cross multiply
    502,614.60x = 753,920.42 × 203,091.72
  4. Step 4: Simplify right side
    502,614.60x = 153,114,993,825.46
  5. Step 5: Solve for x
    x = 153,114,993,825.46/502,614.60
  6. Step 6: Final answer
    x = 304,636.98

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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.