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Finding the Fourth Proportional to 516,737.96, 775,056.82 and 156,911.93

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Solution

The fourth proportional to 516,737.96, 775,056.82 and 156,911.93 is: 235,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,737.96 : 775,056.82 = 156,911.93 : x
  2. Step 2: Convert to fraction form
    516,737.96/775,056.82 = 156,911.93/x
  3. Step 3: Cross multiply
    516,737.96x = 775,056.82 × 156,911.93
  4. Step 4: Simplify right side
    516,737.96x = 121,615,660,701.30
  5. Step 5: Solve for x
    x = 121,615,660,701.30/516,737.96
  6. Step 6: Final answer
    x = 235,352.68

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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.