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Finding the Fourth Proportional to 550,231.78, 759,327.62 and 332,410.17

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Solution

The fourth proportional to 550,231.78, 759,327.62 and 332,410.17 is: 458,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,231.78 : 759,327.62 = 332,410.17 : x
  2. Step 2: Convert to fraction form
    550,231.78/759,327.62 = 332,410.17/x
  3. Step 3: Cross multiply
    550,231.78x = 759,327.62 × 332,410.17
  4. Step 4: Simplify right side
    550,231.78x = 252,408,221,587.85
  5. Step 5: Solve for x
    x = 252,408,221,587.85/550,231.78
  6. Step 6: Final answer
    x = 458,730.72

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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.