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Finding the Fourth Proportional to 471,605.67, 650,827.49 and 256,757.54

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Solution

The fourth proportional to 471,605.67, 650,827.49 and 256,757.54 is: 354,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,605.67 : 650,827.49 = 256,757.54 : x
  2. Step 2: Convert to fraction form
    471,605.67/650,827.49 = 256,757.54/x
  3. Step 3: Cross multiply
    471,605.67x = 650,827.49 × 256,757.54
  4. Step 4: Simplify right side
    471,605.67x = 167,104,860,758.85
  5. Step 5: Solve for x
    x = 167,104,860,758.85/471,605.67
  6. Step 6: Final answer
    x = 354,331.75

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1.5x scale

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.