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Finding the Fourth Proportional to 561,788.46, 775,208.34 and 332,354.34

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Solution

The fourth proportional to 561,788.46, 775,208.34 and 332,354.34 is: 458,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,788.46 : 775,208.34 = 332,354.34 : x
  2. Step 2: Convert to fraction form
    561,788.46/775,208.34 = 332,354.34/x
  3. Step 3: Cross multiply
    561,788.46x = 775,208.34 × 332,354.34
  4. Step 4: Simplify right side
    561,788.46x = 257,643,856,203.20
  5. Step 5: Solve for x
    x = 257,643,856,203.20/561,788.46
  6. Step 6: Final answer
    x = 458,613.65

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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.