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Finding the Fourth Proportional to 247,517.58, 341,574.60 and 134,340.34

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Solution

The fourth proportional to 247,517.58, 341,574.60 and 134,340.34 is: 185,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,517.58 : 341,574.60 = 134,340.34 : x
  2. Step 2: Convert to fraction form
    247,517.58/341,574.60 = 134,340.34/x
  3. Step 3: Cross multiply
    247,517.58x = 341,574.60 × 134,340.34
  4. Step 4: Simplify right side
    247,517.58x = 45,887,247,899.36
  5. Step 5: Solve for x
    x = 45,887,247,899.36/247,517.58
  6. Step 6: Final answer
    x = 185,389.85

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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.