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Finding the Fourth Proportional to 363,469.40, 501,602.55 and 202,314.20

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Solution

The fourth proportional to 363,469.40, 501,602.55 and 202,314.20 is: 279,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,469.40 : 501,602.55 = 202,314.20 : x
  2. Step 2: Convert to fraction form
    363,469.40/501,602.55 = 202,314.20/x
  3. Step 3: Cross multiply
    363,469.40x = 501,602.55 × 202,314.20
  4. Step 4: Simplify right side
    363,469.40x = 101,481,318,621.21
  5. Step 5: Solve for x
    x = 101,481,318,621.21/363,469.40
  6. Step 6: Final answer
    x = 279,201.82

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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.