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Finding the Fourth Proportional to 511,591.59, 767,384.28 and 132,511.32

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Solution

The fourth proportional to 511,591.59, 767,384.28 and 132,511.32 is: 198,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,591.59 : 767,384.28 = 132,511.32 : x
  2. Step 2: Convert to fraction form
    511,591.59/767,384.28 = 132,511.32/x
  3. Step 3: Cross multiply
    511,591.59x = 767,384.28 × 132,511.32
  4. Step 4: Simplify right side
    511,591.59x = 101,687,103,890.05
  5. Step 5: Solve for x
    x = 101,687,103,890.05/511,591.59
  6. Step 6: Final answer
    x = 198,766.18

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1.5x scale

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.