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Finding the Fourth Proportional to 227,720.40, 340,966.20 and 227,720.40

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Solution

The fourth proportional to 227,720.40, 340,966.20 and 227,720.40 is: 340,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,720.40 : 340,966.20 = 227,720.40 : x
  2. Step 2: Convert to fraction form
    227,720.40/340,966.20 = 227,720.40/x
  3. Step 3: Cross multiply
    227,720.40x = 340,966.20 × 227,720.40
  4. Step 4: Simplify right side
    227,720.40x = 77,644,959,450.48
  5. Step 5: Solve for x
    x = 77,644,959,450.48/227,720.40
  6. Step 6: Final answer
    x = 340,966.20

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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.