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Finding the Fourth Proportional to 332,443.40, 498,665.10 and 192,129.80

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Solution

The fourth proportional to 332,443.40, 498,665.10 and 192,129.80 is: 288,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,443.40 : 498,665.10 = 192,129.80 : x
  2. Step 2: Convert to fraction form
    332,443.40/498,665.10 = 192,129.80/x
  3. Step 3: Cross multiply
    332,443.40x = 498,665.10 × 192,129.80
  4. Step 4: Simplify right side
    332,443.40x = 95,808,425,929.98
  5. Step 5: Solve for x
    x = 95,808,425,929.98/332,443.40
  6. Step 6: Final answer
    x = 288,194.70

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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.