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Finding the Fourth Proportional to 471,418.70, 650,545.31 and 256,554.15

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Solution

The fourth proportional to 471,418.70, 650,545.31 and 256,554.15 is: 354,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,418.70 : 650,545.31 = 256,554.15 : x
  2. Step 2: Convert to fraction form
    471,418.70/650,545.31 = 256,554.15/x
  3. Step 3: Cross multiply
    471,418.70x = 650,545.31 × 256,554.15
  4. Step 4: Simplify right side
    471,418.70x = 166,900,097,760.77
  5. Step 5: Solve for x
    x = 166,900,097,760.77/471,418.70
  6. Step 6: Final answer
    x = 354,037.93

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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.