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Finding the Fourth Proportional to 417,108.54, 625,819.17 and 192,576.54

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Solution

The fourth proportional to 417,108.54, 625,819.17 and 192,576.54 is: 288,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,108.54 : 625,819.17 = 192,576.54 : x
  2. Step 2: Convert to fraction form
    417,108.54/625,819.17 = 192,576.54/x
  3. Step 3: Cross multiply
    417,108.54x = 625,819.17 × 192,576.54
  4. Step 4: Simplify right side
    417,108.54x = 120,518,090,424.27
  5. Step 5: Solve for x
    x = 120,518,090,424.27/417,108.54
  6. Step 6: Final answer
    x = 288,937.00

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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.