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Finding the Fourth Proportional to 471,463.39, 650,325.67 and 287,617.96

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Solution

The fourth proportional to 471,463.39, 650,325.67 and 287,617.96 is: 396,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,463.39 : 650,325.67 = 287,617.96 : x
  2. Step 2: Convert to fraction form
    471,463.39/650,325.67 = 287,617.96/x
  3. Step 3: Cross multiply
    471,463.39x = 650,325.67 × 287,617.96
  4. Step 4: Simplify right side
    471,463.39x = 187,045,343,260.08
  5. Step 5: Solve for x
    x = 187,045,343,260.08/471,463.39
  6. Step 6: Final answer
    x = 396,733.55

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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.