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Finding the Fourth Proportional to 552,730.89, 827,767.70 and 315,353.91

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Solution

The fourth proportional to 552,730.89, 827,767.70 and 315,353.91 is: 472,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,730.89 : 827,767.70 = 315,353.91 : x
  2. Step 2: Convert to fraction form
    552,730.89/827,767.70 = 315,353.91/x
  3. Step 3: Cross multiply
    552,730.89x = 827,767.70 × 315,353.91
  4. Step 4: Simplify right side
    552,730.89x = 261,039,780,594.32
  5. Step 5: Solve for x
    x = 261,039,780,594.32/552,730.89
  6. Step 6: Final answer
    x = 472,272.83

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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.