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Finding the Fourth Proportional to 332,404.20, 498,314.70 and 199,337.40

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Solution

The fourth proportional to 332,404.20, 498,314.70 and 199,337.40 is: 298,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,404.20 : 498,314.70 = 199,337.40 : x
  2. Step 2: Convert to fraction form
    332,404.20/498,314.70 = 199,337.40/x
  3. Step 3: Cross multiply
    332,404.20x = 498,314.70 × 199,337.40
  4. Step 4: Simplify right side
    332,404.20x = 99,332,756,679.78
  5. Step 5: Solve for x
    x = 99,332,756,679.78/332,404.20
  6. Step 6: Final answer
    x = 298,831.23

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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.