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Finding the Fourth Proportional to 658,400.68, 987,601.08 and 185,086.08

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Solution

The fourth proportional to 658,400.68, 987,601.08 and 185,086.08 is: 277,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,400.68 : 987,601.08 = 185,086.08 : x
  2. Step 2: Convert to fraction form
    658,400.68/987,601.08 = 185,086.08/x
  3. Step 3: Cross multiply
    658,400.68x = 987,601.08 × 185,086.08
  4. Step 4: Simplify right side
    658,400.68x = 182,791,212,500.97
  5. Step 5: Solve for x
    x = 182,791,212,500.97/658,400.68
  6. Step 6: Final answer
    x = 277,629.14

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Similar ratio
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1.5x scale

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.