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Finding the Fourth Proportional to 517,207.61, 775,812.33 and 162,249.62

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Solution

The fourth proportional to 517,207.61, 775,812.33 and 162,249.62 is: 243,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,207.61 : 775,812.33 = 162,249.62 : x
  2. Step 2: Convert to fraction form
    517,207.61/775,812.33 = 162,249.62/x
  3. Step 3: Cross multiply
    517,207.61x = 775,812.33 × 162,249.62
  4. Step 4: Simplify right side
    517,207.61x = 125,875,251,854.75
  5. Step 5: Solve for x
    x = 125,875,251,854.75/517,207.61
  6. Step 6: Final answer
    x = 243,374.71

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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.