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Finding the Fourth Proportional to 535,449.27, 738,925.70 and 293,732.31

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Solution

The fourth proportional to 535,449.27, 738,925.70 and 293,732.31 is: 405,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,449.27 : 738,925.70 = 293,732.31 : x
  2. Step 2: Convert to fraction form
    535,449.27/738,925.70 = 293,732.31/x
  3. Step 3: Cross multiply
    535,449.27x = 738,925.70 × 293,732.31
  4. Step 4: Simplify right side
    535,449.27x = 217,046,351,310.71
  5. Step 5: Solve for x
    x = 217,046,351,310.71/535,449.27
  6. Step 6: Final answer
    x = 405,353.72

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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.