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Finding the Fourth Proportional to 247,652.66, 341,691.26 and 140,220.34

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Solution

The fourth proportional to 247,652.66, 341,691.26 and 140,220.34 is: 193,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,652.66 : 341,691.26 = 140,220.34 : x
  2. Step 2: Convert to fraction form
    247,652.66/341,691.26 = 140,220.34/x
  3. Step 3: Cross multiply
    247,652.66x = 341,691.26 × 140,220.34
  4. Step 4: Simplify right side
    247,652.66x = 47,912,064,652.23
  5. Step 5: Solve for x
    x = 47,912,064,652.23/247,652.66
  6. Step 6: Final answer
    x = 193,464.77

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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.