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Finding the Fourth Proportional to 247,458.21, 341,493.21 and 134,280.96

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Solution

The fourth proportional to 247,458.21, 341,493.21 and 134,280.96 is: 185,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,458.21 : 341,493.21 = 134,280.96 : x
  2. Step 2: Convert to fraction form
    247,458.21/341,493.21 = 134,280.96/x
  3. Step 3: Cross multiply
    247,458.21x = 341,493.21 × 134,280.96
  4. Step 4: Simplify right side
    247,458.21x = 45,856,036,072.28
  5. Step 5: Solve for x
    x = 45,856,036,072.28/247,458.21
  6. Step 6: Final answer
    x = 185,308.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.