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Finding the Fourth Proportional to 471,745.12, 650,988.72 and 256,884.52

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Solution

The fourth proportional to 471,745.12, 650,988.72 and 256,884.52 is: 354,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,745.12 : 650,988.72 = 256,884.52 : x
  2. Step 2: Convert to fraction form
    471,745.12/650,988.72 = 256,884.52/x
  3. Step 3: Cross multiply
    471,745.12x = 650,988.72 × 256,884.52
  4. Step 4: Simplify right side
    471,745.12x = 167,228,924,862.61
  5. Step 5: Solve for x
    x = 167,228,924,862.61/471,745.12
  6. Step 6: Final answer
    x = 354,489.99

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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.