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Finding the Fourth Proportional to 261,383.40, 392,366.70 and 244,251.90

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Solution

The fourth proportional to 261,383.40, 392,366.70 and 244,251.90 is: 366,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,383.40 : 392,366.70 = 244,251.90 : x
  2. Step 2: Convert to fraction form
    261,383.40/392,366.70 = 244,251.90/x
  3. Step 3: Cross multiply
    261,383.40x = 392,366.70 × 244,251.90
  4. Step 4: Simplify right side
    261,383.40x = 95,836,311,971.73
  5. Step 5: Solve for x
    x = 95,836,311,971.73/261,383.40
  6. Step 6: Final answer
    x = 366,650.34

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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.