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Finding the Fourth Proportional to 471,526.56, 650,721.33 and 256,680.95

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Solution

The fourth proportional to 471,526.56, 650,721.33 and 256,680.95 is: 354,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,526.56 : 650,721.33 = 256,680.95 : x
  2. Step 2: Convert to fraction form
    471,526.56/650,721.33 = 256,680.95/x
  3. Step 3: Cross multiply
    471,526.56x = 650,721.33 × 256,680.95
  4. Step 4: Simplify right side
    471,526.56x = 167,027,769,169.66
  5. Step 5: Solve for x
    x = 167,027,769,169.66/471,526.56
  6. Step 6: Final answer
    x = 354,227.70

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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.