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Finding the Fourth Proportional to 347,737.28, 479,854.14 and 192,678.17

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Solution

The fourth proportional to 347,737.28, 479,854.14 and 192,678.17 is: 265,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,737.28 : 479,854.14 = 192,678.17 : x
  2. Step 2: Convert to fraction form
    347,737.28/479,854.14 = 192,678.17/x
  3. Step 3: Cross multiply
    347,737.28x = 479,854.14 × 192,678.17
  4. Step 4: Simplify right side
    347,737.28x = 92,457,417,562.12
  5. Step 5: Solve for x
    x = 92,457,417,562.12/347,737.28
  6. Step 6: Final answer
    x = 265,882.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.