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Finding the Fourth Proportional to 580,659.91, 870,989.52 and 181,334.91

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Solution

The fourth proportional to 580,659.91, 870,989.52 and 181,334.91 is: 272,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,659.91 : 870,989.52 = 181,334.91 : x
  2. Step 2: Convert to fraction form
    580,659.91/870,989.52 = 181,334.91/x
  3. Step 3: Cross multiply
    580,659.91x = 870,989.52 × 181,334.91
  4. Step 4: Simplify right side
    580,659.91x = 157,940,806,220.14
  5. Step 5: Solve for x
    x = 157,940,806,220.14/580,659.91
  6. Step 6: Final answer
    x = 272,002.26

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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.