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Finding the Fourth Proportional to 461,520.96, 636,898.86 and 254,789.34

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Solution

The fourth proportional to 461,520.96, 636,898.86 and 254,789.34 is: 351,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,520.96 : 636,898.86 = 254,789.34 : x
  2. Step 2: Convert to fraction form
    461,520.96/636,898.86 = 254,789.34/x
  3. Step 3: Cross multiply
    461,520.96x = 636,898.86 × 254,789.34
  4. Step 4: Simplify right side
    461,520.96x = 162,275,040,186.15
  5. Step 5: Solve for x
    x = 162,275,040,186.15/461,520.96
  6. Step 6: Final answer
    x = 351,609.25

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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.