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Finding the Fourth Proportional to 503,565.72, 755,157.41 and 166,505.28

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Solution

The fourth proportional to 503,565.72, 755,157.41 and 166,505.28 is: 249,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,565.72 : 755,157.41 = 166,505.28 : x
  2. Step 2: Convert to fraction form
    503,565.72/755,157.41 = 166,505.28/x
  3. Step 3: Cross multiply
    503,565.72x = 755,157.41 × 166,505.28
  4. Step 4: Simplify right side
    503,565.72x = 125,737,695,996.13
  5. Step 5: Solve for x
    x = 125,737,695,996.13/503,565.72
  6. Step 6: Final answer
    x = 249,694.71

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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.