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Finding the Fourth Proportional to 535,059.41, 738,381.78 and 293,336.78

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Solution

The fourth proportional to 535,059.41, 738,381.78 and 293,336.78 is: 404,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,059.41 : 738,381.78 = 293,336.78 : x
  2. Step 2: Convert to fraction form
    535,059.41/738,381.78 = 293,336.78/x
  3. Step 3: Cross multiply
    535,059.41x = 738,381.78 × 293,336.78
  4. Step 4: Simplify right side
    535,059.41x = 216,594,530,063.96
  5. Step 5: Solve for x
    x = 216,594,530,063.96/535,059.41
  6. Step 6: Final answer
    x = 404,804.64

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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.