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Finding the Fourth Proportional to 555,876.92, 767,110.78 and 301,225.88

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Solution

The fourth proportional to 555,876.92, 767,110.78 and 301,225.88 is: 415,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,876.92 : 767,110.78 = 301,225.88 : x
  2. Step 2: Convert to fraction form
    555,876.92/767,110.78 = 301,225.88/x
  3. Step 3: Cross multiply
    555,876.92x = 767,110.78 × 301,225.88
  4. Step 4: Simplify right side
    555,876.92x = 231,073,619,762.99
  5. Step 5: Solve for x
    x = 231,073,619,762.99/555,876.92
  6. Step 6: Final answer
    x = 415,692.06

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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.