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Finding the Fourth Proportional to 363,065.68, 501,067.38 and 208,037.50

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Solution

The fourth proportional to 363,065.68, 501,067.38 and 208,037.50 is: 287,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,065.68 : 501,067.38 = 208,037.50 : x
  2. Step 2: Convert to fraction form
    363,065.68/501,067.38 = 208,037.50/x
  3. Step 3: Cross multiply
    363,065.68x = 501,067.38 × 208,037.50
  4. Step 4: Simplify right side
    363,065.68x = 104,240,805,066.75
  5. Step 5: Solve for x
    x = 104,240,805,066.75/363,065.68
  6. Step 6: Final answer
    x = 287,112.80

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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.