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Finding the Fourth Proportional to 360,352.84, 497,273.05 and 215,183.03

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Solution

The fourth proportional to 360,352.84, 497,273.05 and 215,183.03 is: 296,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,352.84 : 497,273.05 = 215,183.03 : x
  2. Step 2: Convert to fraction form
    360,352.84/497,273.05 = 215,183.03/x
  3. Step 3: Cross multiply
    360,352.84x = 497,273.05 × 215,183.03
  4. Step 4: Simplify right side
    360,352.84x = 107,004,722,972.62
  5. Step 5: Solve for x
    x = 107,004,722,972.62/360,352.84
  6. Step 6: Final answer
    x = 296,944.30

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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.