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Finding the Fourth Proportional to 447,151.48, 670,732.62 and 177,345.88

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Solution

The fourth proportional to 447,151.48, 670,732.62 and 177,345.88 is: 266,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,151.48 : 670,732.62 = 177,345.88 : x
  2. Step 2: Convert to fraction form
    447,151.48/670,732.62 = 177,345.88/x
  3. Step 3: Cross multiply
    447,151.48x = 670,732.62 × 177,345.88
  4. Step 4: Simplify right side
    447,151.48x = 118,951,666,738.61
  5. Step 5: Solve for x
    x = 118,951,666,738.61/447,151.48
  6. Step 6: Final answer
    x = 266,020.96

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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.