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Finding the Fourth Proportional to 476,793.86, 715,134.11 and 156,866.39

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Solution

The fourth proportional to 476,793.86, 715,134.11 and 156,866.39 is: 235,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,793.86 : 715,134.11 = 156,866.39 : x
  2. Step 2: Convert to fraction form
    476,793.86/715,134.11 = 156,866.39/x
  3. Step 3: Cross multiply
    476,793.86x = 715,134.11 × 156,866.39
  4. Step 4: Simplify right side
    476,793.86x = 112,180,502,625.89
  5. Step 5: Solve for x
    x = 112,180,502,625.89/476,793.86
  6. Step 6: Final answer
    x = 235,280.93

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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.