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Finding the Fourth Proportional to 247,577.56, 341,656.14 and 134,400.28

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Solution

The fourth proportional to 247,577.56, 341,656.14 and 134,400.28 is: 185,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,577.56 : 341,656.14 = 134,400.28 : x
  2. Step 2: Convert to fraction form
    247,577.56/341,656.14 = 134,400.28/x
  3. Step 3: Cross multiply
    247,577.56x = 341,656.14 × 134,400.28
  4. Step 4: Simplify right side
    247,577.56x = 45,918,680,879.72
  5. Step 5: Solve for x
    x = 45,918,680,879.72/247,577.56
  6. Step 6: Final answer
    x = 185,471.90

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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.