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Finding the Fourth Proportional to 417,259.84, 625,976.88 and 136,755.04

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Solution

The fourth proportional to 417,259.84, 625,976.88 and 136,755.04 is: 205,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,259.84 : 625,976.88 = 136,755.04 : x
  2. Step 2: Convert to fraction form
    417,259.84/625,976.88 = 136,755.04/x
  3. Step 3: Cross multiply
    417,259.84x = 625,976.88 × 136,755.04
  4. Step 4: Simplify right side
    417,259.84x = 85,605,493,263.48
  5. Step 5: Solve for x
    x = 85,605,493,263.48/417,259.84
  6. Step 6: Final answer
    x = 205,161.11

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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.