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Finding the Fourth Proportional to 360,486.37, 497,474.41 and 199,352.26

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Solution

The fourth proportional to 360,486.37, 497,474.41 and 199,352.26 is: 275,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,486.37 : 497,474.41 = 199,352.26 : x
  2. Step 2: Convert to fraction form
    360,486.37/497,474.41 = 199,352.26/x
  3. Step 3: Cross multiply
    360,486.37x = 497,474.41 × 199,352.26
  4. Step 4: Simplify right side
    360,486.37x = 99,172,645,438.29
  5. Step 5: Solve for x
    x = 99,172,645,438.29/360,486.37
  6. Step 6: Final answer
    x = 275,107.90

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Double scale
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Similar ratio
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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.