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Finding the Fourth Proportional to 275,725.20, 413,587.80 and 181,246.80

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Solution

The fourth proportional to 275,725.20, 413,587.80 and 181,246.80 is: 271,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,725.20 : 413,587.80 = 181,246.80 : x
  2. Step 2: Convert to fraction form
    275,725.20/413,587.80 = 181,246.80/x
  3. Step 3: Cross multiply
    275,725.20x = 413,587.80 × 181,246.80
  4. Step 4: Simplify right side
    275,725.20x = 74,961,465,269.04
  5. Step 5: Solve for x
    x = 74,961,465,269.04/275,725.20
  6. Step 6: Final answer
    x = 271,870.20

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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.