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Finding the Fourth Proportional to 417,260.70, 625,865.13 and 132,944.22

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Solution

The fourth proportional to 417,260.70, 625,865.13 and 132,944.22 is: 199,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,260.70 : 625,865.13 = 132,944.22 : x
  2. Step 2: Convert to fraction form
    417,260.70/625,865.13 = 132,944.22/x
  3. Step 3: Cross multiply
    417,260.70x = 625,865.13 × 132,944.22
  4. Step 4: Simplify right side
    417,260.70x = 83,205,151,533.05
  5. Step 5: Solve for x
    x = 83,205,151,533.05/417,260.70
  6. Step 6: Final answer
    x = 199,408.07

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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.