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Finding the Fourth Proportional to 360,740.80, 497,481.48 and 269,062.30

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Solution

The fourth proportional to 360,740.80, 497,481.48 and 269,062.30 is: 371,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,740.80 : 497,481.48 = 269,062.30 : x
  2. Step 2: Convert to fraction form
    360,740.80/497,481.48 = 269,062.30/x
  3. Step 3: Cross multiply
    360,740.80x = 497,481.48 × 269,062.30
  4. Step 4: Simplify right side
    360,740.80x = 133,853,511,216.20
  5. Step 5: Solve for x
    x = 133,853,511,216.20/360,740.80
  6. Step 6: Final answer
    x = 371,051.77

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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.