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Finding the Fourth Proportional to 614,132.44, 921,198.66 and 239,893

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Solution

The fourth proportional to 614,132.44, 921,198.66 and 239,893 is: 359,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,132.44 : 921,198.66 = 239,893 : x
  2. Step 2: Convert to fraction form
    614,132.44/921,198.66 = 239,893/x
  3. Step 3: Cross multiply
    614,132.44x = 921,198.66 × 239,893
  4. Step 4: Simplify right side
    614,132.44x = 220,989,110,143.38
  5. Step 5: Solve for x
    x = 220,989,110,143.38/614,132.44
  6. Step 6: Final answer
    x = 359,839.50

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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.