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Finding the Fourth Proportional to 625,240.02, 862,819.86 and 353,302.02

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Solution

The fourth proportional to 625,240.02, 862,819.86 and 353,302.02 is: 487,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,240.02 : 862,819.86 = 353,302.02 : x
  2. Step 2: Convert to fraction form
    625,240.02/862,819.86 = 353,302.02/x
  3. Step 3: Cross multiply
    625,240.02x = 862,819.86 × 353,302.02
  4. Step 4: Simplify right side
    625,240.02x = 304,835,999,434.12
  5. Step 5: Solve for x
    x = 304,835,999,434.12/625,240.02
  6. Step 6: Final answer
    x = 487,550.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.