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Finding the Fourth Proportional to 536,248.28, 739,842.56 and 303,643.43

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Solution

The fourth proportional to 536,248.28, 739,842.56 and 303,643.43 is: 418,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,248.28 : 739,842.56 = 303,643.43 : x
  2. Step 2: Convert to fraction form
    536,248.28/739,842.56 = 303,643.43/x
  3. Step 3: Cross multiply
    536,248.28x = 739,842.56 × 303,643.43
  4. Step 4: Simplify right side
    536,248.28x = 224,648,327,360.95
  5. Step 5: Solve for x
    x = 224,648,327,360.95/536,248.28
  6. Step 6: Final answer
    x = 418,925.97

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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.