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Finding the Fourth Proportional to 453,234.96, 679,545.72 and 253,693.08

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Solution

The fourth proportional to 453,234.96, 679,545.72 and 253,693.08 is: 380,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,234.96 : 679,545.72 = 253,693.08 : x
  2. Step 2: Convert to fraction form
    453,234.96/679,545.72 = 253,693.08/x
  3. Step 3: Cross multiply
    453,234.96x = 679,545.72 × 253,693.08
  4. Step 4: Simplify right side
    453,234.96x = 172,396,046,707.62
  5. Step 5: Solve for x
    x = 172,396,046,707.62/453,234.96
  6. Step 6: Final answer
    x = 380,367.94

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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.