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Finding the Fourth Proportional to 231,182.97, 317,807.36 and 198,798.96

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Solution

The fourth proportional to 231,182.97, 317,807.36 and 198,798.96 is: 273,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,182.97 : 317,807.36 = 198,798.96 : x
  2. Step 2: Convert to fraction form
    231,182.97/317,807.36 = 198,798.96/x
  3. Step 3: Cross multiply
    231,182.97x = 317,807.36 × 198,798.96
  4. Step 4: Simplify right side
    231,182.97x = 63,179,772,648.35
  5. Step 5: Solve for x
    x = 63,179,772,648.35/231,182.97
  6. Step 6: Final answer
    x = 273,289.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.