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Finding the Fourth Proportional to 463,772.72, 694,753.09 and 319,652.93

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Solution

The fourth proportional to 463,772.72, 694,753.09 and 319,652.93 is: 478,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,772.72 : 694,753.09 = 319,652.93 : x
  2. Step 2: Convert to fraction form
    463,772.72/694,753.09 = 319,652.93/x
  3. Step 3: Cross multiply
    463,772.72x = 694,753.09 × 319,652.93
  4. Step 4: Simplify right side
    463,772.72x = 222,079,860,845.05
  5. Step 5: Solve for x
    x = 222,079,860,845.05/463,772.72
  6. Step 6: Final answer
    x = 478,854.95

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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.