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Finding the Fourth Proportional to 516,711.14, 775,096.87 and 156,893.72

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Solution

The fourth proportional to 516,711.14, 775,096.87 and 156,893.72 is: 235,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,711.14 : 775,096.87 = 156,893.72 : x
  2. Step 2: Convert to fraction form
    516,711.14/775,096.87 = 156,893.72/x
  3. Step 3: Cross multiply
    516,711.14x = 775,096.87 × 156,893.72
  4. Step 4: Simplify right side
    516,711.14x = 121,607,833,212.28
  5. Step 5: Solve for x
    x = 121,607,833,212.28/516,711.14
  6. Step 6: Final answer
    x = 235,349.74

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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.