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Finding the Fourth Proportional to 580,637.35, 870,948.33 and 281,144.71

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Solution

The fourth proportional to 580,637.35, 870,948.33 and 281,144.71 is: 421,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,637.35 : 870,948.33 = 281,144.71 : x
  2. Step 2: Convert to fraction form
    580,637.35/870,948.33 = 281,144.71/x
  3. Step 3: Cross multiply
    580,637.35x = 870,948.33 × 281,144.71
  4. Step 4: Simplify right side
    580,637.35x = 244,862,515,662.83
  5. Step 5: Solve for x
    x = 244,862,515,662.83/580,637.35
  6. Step 6: Final answer
    x = 421,713.34

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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.