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Finding the Fourth Proportional to 363,029.51, 500,942.35 and 201,858.55

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Solution

The fourth proportional to 363,029.51, 500,942.35 and 201,858.55 is: 278,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,029.51 : 500,942.35 = 201,858.55 : x
  2. Step 2: Convert to fraction form
    363,029.51/500,942.35 = 201,858.55/x
  3. Step 3: Cross multiply
    363,029.51x = 500,942.35 × 201,858.55
  4. Step 4: Simplify right side
    363,029.51x = 101,119,496,404.59
  5. Step 5: Solve for x
    x = 101,119,496,404.59/363,029.51
  6. Step 6: Final answer
    x = 278,543.46

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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.