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Finding the Fourth Proportional to 467,937.64, 645,753.92 and 253,077.70

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Solution

The fourth proportional to 467,937.64, 645,753.92 and 253,077.70 is: 349,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,937.64 : 645,753.92 = 253,077.70 : x
  2. Step 2: Convert to fraction form
    467,937.64/645,753.92 = 253,077.70/x
  3. Step 3: Cross multiply
    467,937.64x = 645,753.92 × 253,077.70
  4. Step 4: Simplify right side
    467,937.64x = 163,425,916,839.58
  5. Step 5: Solve for x
    x = 163,425,916,839.58/467,937.64
  6. Step 6: Final answer
    x = 349,247.21

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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.