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Finding the Fourth Proportional to 467,753.58, 645,499.89 and 252,893.61

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Solution

The fourth proportional to 467,753.58, 645,499.89 and 252,893.61 is: 348,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,753.58 : 645,499.89 = 252,893.61 : x
  2. Step 2: Convert to fraction form
    467,753.58/645,499.89 = 252,893.61/x
  3. Step 3: Cross multiply
    467,753.58x = 645,499.89 × 252,893.61
  4. Step 4: Simplify right side
    467,753.58x = 163,242,797,436.70
  5. Step 5: Solve for x
    x = 163,242,797,436.70/467,753.58
  6. Step 6: Final answer
    x = 348,993.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.