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Finding the Fourth Proportional to 269,552.20, 404,328.30 and 207,344.20

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Solution

The fourth proportional to 269,552.20, 404,328.30 and 207,344.20 is: 311,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,552.20 : 404,328.30 = 207,344.20 : x
  2. Step 2: Convert to fraction form
    269,552.20/404,328.30 = 207,344.20/x
  3. Step 3: Cross multiply
    269,552.20x = 404,328.30 × 207,344.20
  4. Step 4: Simplify right side
    269,552.20x = 83,835,127,900.86
  5. Step 5: Solve for x
    x = 83,835,127,900.86/269,552.20
  6. Step 6: Final answer
    x = 311,016.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.