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Finding the Fourth Proportional to 526,331.50, 726,336.21 and 296,888.02

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Solution

The fourth proportional to 526,331.50, 726,336.21 and 296,888.02 is: 409,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,331.50 : 726,336.21 = 296,888.02 : x
  2. Step 2: Convert to fraction form
    526,331.50/726,336.21 = 296,888.02/x
  3. Step 3: Cross multiply
    526,331.50x = 726,336.21 × 296,888.02
  4. Step 4: Simplify right side
    526,331.50x = 215,640,519,241.20
  5. Step 5: Solve for x
    x = 215,640,519,241.20/526,331.50
  6. Step 6: Final answer
    x = 409,704.76

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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.