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Finding the Fourth Proportional to 332,308.61, 458,565.69 and 196,310.02

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Solution

The fourth proportional to 332,308.61, 458,565.69 and 196,310.02 is: 270,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,308.61 : 458,565.69 = 196,310.02 : x
  2. Step 2: Convert to fraction form
    332,308.61/458,565.69 = 196,310.02/x
  3. Step 3: Cross multiply
    332,308.61x = 458,565.69 × 196,310.02
  4. Step 4: Simplify right side
    332,308.61x = 90,021,039,775.21
  5. Step 5: Solve for x
    x = 90,021,039,775.21/332,308.61
  6. Step 6: Final answer
    x = 270,895.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.