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Finding the Fourth Proportional to 625,065.72, 937,624.50 and 181,833.72

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Solution

The fourth proportional to 625,065.72, 937,624.50 and 181,833.72 is: 272,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,065.72 : 937,624.50 = 181,833.72 : x
  2. Step 2: Convert to fraction form
    625,065.72/937,624.50 = 181,833.72/x
  3. Step 3: Cross multiply
    625,065.72x = 937,624.50 × 181,833.72
  4. Step 4: Simplify right side
    625,065.72x = 170,491,750,798.14
  5. Step 5: Solve for x
    x = 170,491,750,798.14/625,065.72
  6. Step 6: Final answer
    x = 272,758.12

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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.