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Finding the Fourth Proportional to 471,616.32, 650,842.22 and 256,768.17

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Solution

The fourth proportional to 471,616.32, 650,842.22 and 256,768.17 is: 354,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,616.32 : 650,842.22 = 256,768.17 : x
  2. Step 2: Convert to fraction form
    471,616.32/650,842.22 = 256,768.17/x
  3. Step 3: Cross multiply
    471,616.32x = 650,842.22 × 256,768.17
  4. Step 4: Simplify right side
    471,616.32x = 167,115,564,504.30
  5. Step 5: Solve for x
    x = 167,115,564,504.30/471,616.32
  6. Step 6: Final answer
    x = 354,346.44

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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.