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Finding the Fourth Proportional to 269,309.60, 371,632.80 and 148,426.82

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Solution

The fourth proportional to 269,309.60, 371,632.80 and 148,426.82 is: 204,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,309.60 : 371,632.80 = 148,426.82 : x
  2. Step 2: Convert to fraction form
    269,309.60/371,632.80 = 148,426.82/x
  3. Step 3: Cross multiply
    269,309.60x = 371,632.80 × 148,426.82
  4. Step 4: Simplify right side
    269,309.60x = 55,160,274,711.70
  5. Step 5: Solve for x
    x = 55,160,274,711.70/269,309.60
  6. Step 6: Final answer
    x = 204,821.05

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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.