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Finding the Fourth Proportional to 363,351.90, 501,418.62 and 202,206.72

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Solution

The fourth proportional to 363,351.90, 501,418.62 and 202,206.72 is: 279,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,351.90 : 501,418.62 = 202,206.72 : x
  2. Step 2: Convert to fraction form
    363,351.90/501,418.62 = 202,206.72/x
  3. Step 3: Cross multiply
    363,351.90x = 501,418.62 × 202,206.72
  4. Step 4: Simplify right side
    363,351.90x = 101,390,214,497.13
  5. Step 5: Solve for x
    x = 101,390,214,497.13/363,351.90
  6. Step 6: Final answer
    x = 279,041.38

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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.