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Finding the Fourth Proportional to 625,004.27, 862,575.84 and 353,089.64

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Solution

The fourth proportional to 625,004.27, 862,575.84 and 353,089.64 is: 487,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,004.27 : 862,575.84 = 353,089.64 : x
  2. Step 2: Convert to fraction form
    625,004.27/862,575.84 = 353,089.64/x
  3. Step 3: Cross multiply
    625,004.27x = 862,575.84 × 353,089.64
  4. Step 4: Simplify right side
    625,004.27x = 304,566,594,974.74
  5. Step 5: Solve for x
    x = 304,566,594,974.74/625,004.27
  6. Step 6: Final answer
    x = 487,303.22

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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.