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Finding the Fourth Proportional to 475,061.44, 712,657.72 and 159,608.56

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Solution

The fourth proportional to 475,061.44, 712,657.72 and 159,608.56 is: 239,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,061.44 : 712,657.72 = 159,608.56 : x
  2. Step 2: Convert to fraction form
    475,061.44/712,657.72 = 159,608.56/x
  3. Step 3: Cross multiply
    475,061.44x = 712,657.72 × 159,608.56
  4. Step 4: Simplify right side
    475,061.44x = 113,746,272,462.08
  5. Step 5: Solve for x
    x = 113,746,272,462.08/475,061.44
  6. Step 6: Final answer
    x = 239,434.87

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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.