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Finding the Fourth Proportional to 580,016.40, 870,341.72 and 225,044.43

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Solution

The fourth proportional to 580,016.40, 870,341.72 and 225,044.43 is: 337,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,016.40 : 870,341.72 = 225,044.43 : x
  2. Step 2: Convert to fraction form
    580,016.40/870,341.72 = 225,044.43/x
  3. Step 3: Cross multiply
    580,016.40x = 870,341.72 × 225,044.43
  4. Step 4: Simplify right side
    580,016.40x = 195,865,555,157.40
  5. Step 5: Solve for x
    x = 195,865,555,157.40/580,016.40
  6. Step 6: Final answer
    x = 337,689.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.