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Finding the Fourth Proportional to 363,748.56, 501,988.62 and 202,603.68

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Solution

The fourth proportional to 363,748.56, 501,988.62 and 202,603.68 is: 279,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,748.56 : 501,988.62 = 202,603.68 : x
  2. Step 2: Convert to fraction form
    363,748.56/501,988.62 = 202,603.68/x
  3. Step 3: Cross multiply
    363,748.56x = 501,988.62 × 202,603.68
  4. Step 4: Simplify right side
    363,748.56x = 101,704,741,730.12
  5. Step 5: Solve for x
    x = 101,704,741,730.12/363,748.56
  6. Step 6: Final answer
    x = 279,601.77

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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.