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Finding the Fourth Proportional to 262,532.40, 393,215.40 and 227,540.40

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Solution

The fourth proportional to 262,532.40, 393,215.40 and 227,540.40 is: 340,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,532.40 : 393,215.40 = 227,540.40 : x
  2. Step 2: Convert to fraction form
    262,532.40/393,215.40 = 227,540.40/x
  3. Step 3: Cross multiply
    262,532.40x = 393,215.40 × 227,540.40
  4. Step 4: Simplify right side
    262,532.40x = 89,472,389,402.16
  5. Step 5: Solve for x
    x = 89,472,389,402.16/262,532.40
  6. Step 6: Final answer
    x = 340,805.13

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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.