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Finding the Fourth Proportional to 352,674.81, 486,691.12 and 191,529.90

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Solution

The fourth proportional to 352,674.81, 486,691.12 and 191,529.90 is: 264,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,674.81 : 486,691.12 = 191,529.90 : x
  2. Step 2: Convert to fraction form
    352,674.81/486,691.12 = 191,529.90/x
  3. Step 3: Cross multiply
    352,674.81x = 486,691.12 × 191,529.90
  4. Step 4: Simplify right side
    352,674.81x = 93,215,900,586.84
  5. Step 5: Solve for x
    x = 93,215,900,586.84/352,674.81
  6. Step 6: Final answer
    x = 264,311.20

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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.