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Finding the Fourth Proportional to 332,561.40, 498,842.10 and 192,247.80

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Solution

The fourth proportional to 332,561.40, 498,842.10 and 192,247.80 is: 288,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,561.40 : 498,842.10 = 192,247.80 : x
  2. Step 2: Convert to fraction form
    332,561.40/498,842.10 = 192,247.80/x
  3. Step 3: Cross multiply
    332,561.40x = 498,842.10 × 192,247.80
  4. Step 4: Simplify right side
    332,561.40x = 95,901,296,272.38
  5. Step 5: Solve for x
    x = 95,901,296,272.38/332,561.40
  6. Step 6: Final answer
    x = 288,371.70

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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.