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Finding the Fourth Proportional to 269,548.80, 371,969.28 and 150,316.80

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Solution

The fourth proportional to 269,548.80, 371,969.28 and 150,316.80 is: 207,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,548.80 : 371,969.28 = 150,316.80 : x
  2. Step 2: Convert to fraction form
    269,548.80/371,969.28 = 150,316.80/x
  3. Step 3: Cross multiply
    269,548.80x = 371,969.28 × 150,316.80
  4. Step 4: Simplify right side
    269,548.80x = 55,913,231,867.90
  5. Step 5: Solve for x
    x = 55,913,231,867.90/269,548.80
  6. Step 6: Final answer
    x = 207,432.69

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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.