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Finding the Fourth Proportional to 363,363.20, 501,437.52 and 202,215.50

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Solution

The fourth proportional to 363,363.20, 501,437.52 and 202,215.50 is: 279,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,363.20 : 501,437.52 = 202,215.50 : x
  2. Step 2: Convert to fraction form
    363,363.20/501,437.52 = 202,215.50/x
  3. Step 3: Cross multiply
    363,363.20x = 501,437.52 × 202,215.50
  4. Step 4: Simplify right side
    363,363.20x = 101,398,438,825.56
  5. Step 5: Solve for x
    x = 101,398,438,825.56/363,363.20
  6. Step 6: Final answer
    x = 279,055.33

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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.