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Finding the Fourth Proportional to 275,484.20, 413,187.06 and 88,471.40

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Solution

The fourth proportional to 275,484.20, 413,187.06 and 88,471.40 is: 132,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,484.20 : 413,187.06 = 88,471.40 : x
  2. Step 2: Convert to fraction form
    275,484.20/413,187.06 = 88,471.40/x
  3. Step 3: Cross multiply
    275,484.20x = 413,187.06 × 88,471.40
  4. Step 4: Simplify right side
    275,484.20x = 36,555,237,660.08
  5. Step 5: Solve for x
    x = 36,555,237,660.08/275,484.20
  6. Step 6: Final answer
    x = 132,694.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.