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Finding the Fourth Proportional to 526,126.59, 789,191.53 and 147,044.81

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Solution

The fourth proportional to 526,126.59, 789,191.53 and 147,044.81 is: 220,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,126.59 : 789,191.53 = 147,044.81 : x
  2. Step 2: Convert to fraction form
    526,126.59/789,191.53 = 147,044.81/x
  3. Step 3: Cross multiply
    526,126.59x = 789,191.53 × 147,044.81
  4. Step 4: Simplify right side
    526,126.59x = 116,046,520,187.83
  5. Step 5: Solve for x
    x = 116,046,520,187.83/526,126.59
  6. Step 6: Final answer
    x = 220,567.68

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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.