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Finding the Fourth Proportional to 363,767.86, 502,015.13 and 202,622.98

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Solution

The fourth proportional to 363,767.86, 502,015.13 and 202,622.98 is: 279,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,767.86 : 502,015.13 = 202,622.98 : x
  2. Step 2: Convert to fraction form
    363,767.86/502,015.13 = 202,622.98/x
  3. Step 3: Cross multiply
    363,767.86x = 502,015.13 × 202,622.98
  4. Step 4: Simplify right side
    363,767.86x = 101,719,801,645.69
  5. Step 5: Solve for x
    x = 101,719,801,645.69/363,767.86
  6. Step 6: Final answer
    x = 279,628.34

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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.