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Finding the Fourth Proportional to 526,126.71, 789,191.71 and 147,044.93

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Solution

The fourth proportional to 526,126.71, 789,191.71 and 147,044.93 is: 220,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,126.71 : 789,191.71 = 147,044.93 : x
  2. Step 2: Convert to fraction form
    526,126.71/789,191.71 = 147,044.93/x
  3. Step 3: Cross multiply
    526,126.71x = 789,191.71 × 147,044.93
  4. Step 4: Simplify right side
    526,126.71x = 116,046,639,753.53
  5. Step 5: Solve for x
    x = 116,046,639,753.53/526,126.71
  6. Step 6: Final answer
    x = 220,567.85

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Similar ratio
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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.