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Finding the Fourth Proportional to 580,641.10, 870,622.67 and 225,239.83

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Solution

The fourth proportional to 580,641.10, 870,622.67 and 225,239.83 is: 337,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,641.10 : 870,622.67 = 225,239.83 : x
  2. Step 2: Convert to fraction form
    580,641.10/870,622.67 = 225,239.83/x
  3. Step 3: Cross multiply
    580,641.10x = 870,622.67 × 225,239.83
  4. Step 4: Simplify right side
    580,641.10x = 196,098,901,058.75
  5. Step 5: Solve for x
    x = 196,098,901,058.75/580,641.10
  6. Step 6: Final answer
    x = 337,728.25

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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.