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Finding the Fourth Proportional to 269,549.80, 371,970.66 and 150,317.80

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Solution

The fourth proportional to 269,549.80, 371,970.66 and 150,317.80 is: 207,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,549.80 : 371,970.66 = 150,317.80 : x
  2. Step 2: Convert to fraction form
    269,549.80/371,970.66 = 150,317.80/x
  3. Step 3: Cross multiply
    269,549.80x = 371,970.66 × 150,317.80
  4. Step 4: Simplify right side
    269,549.80x = 55,913,811,275.75
  5. Step 5: Solve for x
    x = 55,913,811,275.75/269,549.80
  6. Step 6: Final answer
    x = 207,434.07

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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.