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Finding the Fourth Proportional to 417,676.86, 625,455.47 and 350,031.02

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Solution

The fourth proportional to 417,676.86, 625,455.47 and 350,031.02 is: 524,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,676.86 : 625,455.47 = 350,031.02 : x
  2. Step 2: Convert to fraction form
    417,676.86/625,455.47 = 350,031.02/x
  3. Step 3: Cross multiply
    417,676.86x = 625,455.47 × 350,031.02
  4. Step 4: Simplify right side
    417,676.86x = 218,928,813,876.48
  5. Step 5: Solve for x
    x = 218,928,813,876.48/417,676.86
  6. Step 6: Final answer
    x = 524,158.35

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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.