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Finding the Fourth Proportional to 535,376.46, 738,818.82 and 293,660.11

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Solution

The fourth proportional to 535,376.46, 738,818.82 and 293,660.11 is: 405,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,376.46 : 738,818.82 = 293,660.11 : x
  2. Step 2: Convert to fraction form
    535,376.46/738,818.82 = 293,660.11/x
  3. Step 3: Cross multiply
    535,376.46x = 738,818.82 × 293,660.11
  4. Step 4: Simplify right side
    535,376.46x = 216,961,615,951.27
  5. Step 5: Solve for x
    x = 216,961,615,951.27/535,376.46
  6. Step 6: Final answer
    x = 405,250.57

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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.