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Finding the Fourth Proportional to 625,676.32, 863,207.04 and 410,932.80

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Solution

The fourth proportional to 625,676.32, 863,207.04 and 410,932.80 is: 566,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,676.32 : 863,207.04 = 410,932.80 : x
  2. Step 2: Convert to fraction form
    625,676.32/863,207.04 = 410,932.80/x
  3. Step 3: Cross multiply
    625,676.32x = 863,207.04 × 410,932.80
  4. Step 4: Simplify right side
    625,676.32x = 354,720,085,926.91
  5. Step 5: Solve for x
    x = 354,720,085,926.91/625,676.32
  6. Step 6: Final answer
    x = 566,938.65

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1.5x scale

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.