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Finding the Fourth Proportional to 469,937.67, 648,496.62 and 255,073.20

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Solution

The fourth proportional to 469,937.67, 648,496.62 and 255,073.20 is: 351,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,937.67 : 648,496.62 = 255,073.20 : x
  2. Step 2: Convert to fraction form
    469,937.67/648,496.62 = 255,073.20/x
  3. Step 3: Cross multiply
    469,937.67x = 648,496.62 × 255,073.20
  4. Step 4: Simplify right side
    469,937.67x = 165,414,108,052.58
  5. Step 5: Solve for x
    x = 165,414,108,052.58/469,937.67
  6. Step 6: Final answer
    x = 351,991.59

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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.