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Finding the Fourth Proportional to 332,425.20, 498,346.20 and 199,358.40

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Solution

The fourth proportional to 332,425.20, 498,346.20 and 199,358.40 is: 298,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,425.20 : 498,346.20 = 199,358.40 : x
  2. Step 2: Convert to fraction form
    332,425.20/498,346.20 = 199,358.40/x
  3. Step 3: Cross multiply
    332,425.20x = 498,346.20 × 199,358.40
  4. Step 4: Simplify right side
    332,425.20x = 99,349,501,078.08
  5. Step 5: Solve for x
    x = 99,349,501,078.08/332,425.20
  6. Step 6: Final answer
    x = 298,862.72

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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.