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Finding the Fourth Proportional to 625,021.08, 861,962.16 and 410,079.48

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Solution

The fourth proportional to 625,021.08, 861,962.16 and 410,079.48 is: 565,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,021.08 : 861,962.16 = 410,079.48 : x
  2. Step 2: Convert to fraction form
    625,021.08/861,962.16 = 410,079.48/x
  3. Step 3: Cross multiply
    625,021.08x = 861,962.16 × 410,079.48
  4. Step 4: Simplify right side
    625,021.08x = 353,472,994,352.48
  5. Step 5: Solve for x
    x = 353,472,994,352.48/625,021.08
  6. Step 6: Final answer
    x = 565,537.72

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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.