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Finding the Fourth Proportional to 370,248.88, 510,947.10 and 200,486.64

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Solution

The fourth proportional to 370,248.88, 510,947.10 and 200,486.64 is: 276,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,248.88 : 510,947.10 = 200,486.64 : x
  2. Step 2: Convert to fraction form
    370,248.88/510,947.10 = 200,486.64/x
  3. Step 3: Cross multiply
    370,248.88x = 510,947.10 × 200,486.64
  4. Step 4: Simplify right side
    370,248.88x = 102,438,067,296.74
  5. Step 5: Solve for x
    x = 102,438,067,296.74/370,248.88
  6. Step 6: Final answer
    x = 276,673.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.