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Finding the Fourth Proportional to 581,614.31, 872,421.66 and 182,286.06

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Solution

The fourth proportional to 581,614.31, 872,421.66 and 182,286.06 is: 273,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,614.31 : 872,421.66 = 182,286.06 : x
  2. Step 2: Convert to fraction form
    581,614.31/872,421.66 = 182,286.06/x
  3. Step 3: Cross multiply
    581,614.31x = 872,421.66 × 182,286.06
  4. Step 4: Simplify right side
    581,614.31x = 159,030,307,060.06
  5. Step 5: Solve for x
    x = 159,030,307,060.06/581,614.31
  6. Step 6: Final answer
    x = 273,429.15

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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.