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Finding the Fourth Proportional to 417,069.88, 625,508.22 and 248,637.40

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Solution

The fourth proportional to 417,069.88, 625,508.22 and 248,637.40 is: 372,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,069.88 : 625,508.22 = 248,637.40 : x
  2. Step 2: Convert to fraction form
    417,069.88/625,508.22 = 248,637.40/x
  3. Step 3: Cross multiply
    417,069.88x = 625,508.22 × 248,637.40
  4. Step 4: Simplify right side
    417,069.88x = 155,524,737,499.43
  5. Step 5: Solve for x
    x = 155,524,737,499.43/417,069.88
  6. Step 6: Final answer
    x = 372,898.51

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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.