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Finding the Fourth Proportional to 465,990.18, 699,250.76 and 181,643.73

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Solution

The fourth proportional to 465,990.18, 699,250.76 and 181,643.73 is: 272,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,990.18 : 699,250.76 = 181,643.73 : x
  2. Step 2: Convert to fraction form
    465,990.18/699,250.76 = 181,643.73/x
  3. Step 3: Cross multiply
    465,990.18x = 699,250.76 × 181,643.73
  4. Step 4: Simplify right side
    465,990.18x = 127,014,515,343.52
  5. Step 5: Solve for x
    x = 127,014,515,343.52/465,990.18
  6. Step 6: Final answer
    x = 272,569.08

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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.