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Finding the Fourth Proportional to 227,557.60, 341,617.20 and 143,317.60

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Solution

The fourth proportional to 227,557.60, 341,617.20 and 143,317.60 is: 215,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,557.60 : 341,617.20 = 143,317.60 : x
  2. Step 2: Convert to fraction form
    227,557.60/341,617.20 = 143,317.60/x
  3. Step 3: Cross multiply
    227,557.60x = 341,617.20 × 143,317.60
  4. Step 4: Simplify right side
    227,557.60x = 48,959,757,222.72
  5. Step 5: Solve for x
    x = 48,959,757,222.72/227,557.60
  6. Step 6: Final answer
    x = 215,153.25

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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.