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Finding the Fourth Proportional to 227,651.60, 341,758.20 and 143,411.60

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Solution

The fourth proportional to 227,651.60, 341,758.20 and 143,411.60 is: 215,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,651.60 : 341,758.20 = 143,411.60 : x
  2. Step 2: Convert to fraction form
    227,651.60/341,758.20 = 143,411.60/x
  3. Step 3: Cross multiply
    227,651.60x = 341,758.20 × 143,411.60
  4. Step 4: Simplify right side
    227,651.60x = 49,012,090,275.12
  5. Step 5: Solve for x
    x = 49,012,090,275.12/227,651.60
  6. Step 6: Final answer
    x = 215,294.29

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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.