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Finding the Fourth Proportional to 417,050.48, 625,640.52 and 136,503.20

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Solution

The fourth proportional to 417,050.48, 625,640.52 and 136,503.20 is: 204,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,050.48 : 625,640.52 = 136,503.20 : x
  2. Step 2: Convert to fraction form
    417,050.48/625,640.52 = 136,503.20/x
  3. Step 3: Cross multiply
    417,050.48x = 625,640.52 × 136,503.20
  4. Step 4: Simplify right side
    417,050.48x = 85,401,933,029.66
  5. Step 5: Solve for x
    x = 85,401,933,029.66/417,050.48
  6. Step 6: Final answer
    x = 204,776.01

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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.