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Finding the Fourth Proportional to 471,616.90, 650,827.41 and 256,756.52

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Solution

The fourth proportional to 471,616.90, 650,827.41 and 256,756.52 is: 354,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,616.90 : 650,827.41 = 256,756.52 : x
  2. Step 2: Convert to fraction form
    471,616.90/650,827.41 = 256,756.52/x
  3. Step 3: Cross multiply
    471,616.90x = 650,827.41 × 256,756.52
  4. Step 4: Simplify right side
    471,616.90x = 167,104,180,912.21
  5. Step 5: Solve for x
    x = 167,104,180,912.21/471,616.90
  6. Step 6: Final answer
    x = 354,321.87

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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.