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Finding the Fourth Proportional to 269,282.75, 371,612.75 and 148,428.72

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Solution

The fourth proportional to 269,282.75, 371,612.75 and 148,428.72 is: 204,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,282.75 : 371,612.75 = 148,428.72 : x
  2. Step 2: Convert to fraction form
    269,282.75/371,612.75 = 148,428.72/x
  3. Step 3: Cross multiply
    269,282.75x = 371,612.75 × 148,428.72
  4. Step 4: Simplify right side
    269,282.75x = 55,158,004,076.04
  5. Step 5: Solve for x
    x = 55,158,004,076.04/269,282.75
  6. Step 6: Final answer
    x = 204,833.04

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1.5x scale

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.