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Finding the Fourth Proportional to 261,463.30, 392,194.95 and 182,731.30

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Solution

The fourth proportional to 261,463.30, 392,194.95 and 182,731.30 is: 274,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,463.30 : 392,194.95 = 182,731.30 : x
  2. Step 2: Convert to fraction form
    261,463.30/392,194.95 = 182,731.30/x
  3. Step 3: Cross multiply
    261,463.30x = 392,194.95 × 182,731.30
  4. Step 4: Simplify right side
    261,463.30x = 71,666,291,105.96
  5. Step 5: Solve for x
    x = 71,666,291,105.96/261,463.30
  6. Step 6: Final answer
    x = 274,096.95

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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.