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Finding the Fourth Proportional to 247,557.57, 341,629.16 and 134,380.32

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Solution

The fourth proportional to 247,557.57, 341,629.16 and 134,380.32 is: 185,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,557.57 : 341,629.16 = 134,380.32 : x
  2. Step 2: Convert to fraction form
    247,557.57/341,629.16 = 134,380.32/x
  3. Step 3: Cross multiply
    247,557.57x = 341,629.16 × 134,380.32
  4. Step 4: Simplify right side
    247,557.57x = 45,908,235,170.23
  5. Step 5: Solve for x
    x = 45,908,235,170.23/247,557.57
  6. Step 6: Final answer
    x = 185,444.68

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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.