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Finding the Fourth Proportional to 471,099.36, 650,111.52 and 256,234.80

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Solution

The fourth proportional to 471,099.36, 650,111.52 and 256,234.80 is: 353,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,099.36 : 650,111.52 = 256,234.80 : x
  2. Step 2: Convert to fraction form
    471,099.36/650,111.52 = 256,234.80/x
  3. Step 3: Cross multiply
    471,099.36x = 650,111.52 × 256,234.80
  4. Step 4: Simplify right side
    471,099.36x = 166,581,195,304.90
  5. Step 5: Solve for x
    x = 166,581,195,304.90/471,099.36
  6. Step 6: Final answer
    x = 353,600.98

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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.