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Finding the Fourth Proportional to 625,016.08, 861,955.26 and 410,074.48

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Solution

The fourth proportional to 625,016.08, 861,955.26 and 410,074.48 is: 565,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,016.08 : 861,955.26 = 410,074.48 : x
  2. Step 2: Convert to fraction form
    625,016.08/861,955.26 = 410,074.48/x
  3. Step 3: Cross multiply
    625,016.08x = 861,955.26 × 410,074.48
  4. Step 4: Simplify right side
    625,016.08x = 353,465,855,027.77
  5. Step 5: Solve for x
    x = 353,465,855,027.77/625,016.08
  6. Step 6: Final answer
    x = 565,530.82

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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.