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Finding the Fourth Proportional to 332,019.16, 498,027.66 and 198,939.40

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Solution

The fourth proportional to 332,019.16, 498,027.66 and 198,939.40 is: 298,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,019.16 : 498,027.66 = 198,939.40 : x
  2. Step 2: Convert to fraction form
    332,019.16/498,027.66 = 198,939.40/x
  3. Step 3: Cross multiply
    332,019.16x = 498,027.66 × 198,939.40
  4. Step 4: Simplify right side
    332,019.16x = 99,077,323,863.80
  5. Step 5: Solve for x
    x = 99,077,323,863.80/332,019.16
  6. Step 6: Final answer
    x = 298,408.45

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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.