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Finding the Fourth Proportional to 332,951.15, 499,431.33 and 108,312.77

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Solution

The fourth proportional to 332,951.15, 499,431.33 and 108,312.77 is: 162,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,951.15 : 499,431.33 = 108,312.77 : x
  2. Step 2: Convert to fraction form
    332,951.15/499,431.33 = 108,312.77/x
  3. Step 3: Cross multiply
    332,951.15x = 499,431.33 × 108,312.77
  4. Step 4: Simplify right side
    332,951.15x = 54,094,788,279.93
  5. Step 5: Solve for x
    x = 54,094,788,279.93/332,951.15
  6. Step 6: Final answer
    x = 162,470.64

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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.