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Finding the Fourth Proportional to 555,751.53, 766,932.30 and 301,102.11

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Solution

The fourth proportional to 555,751.53, 766,932.30 and 301,102.11 is: 415,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,751.53 : 766,932.30 = 301,102.11 : x
  2. Step 2: Convert to fraction form
    555,751.53/766,932.30 = 301,102.11/x
  3. Step 3: Cross multiply
    555,751.53x = 766,932.30 × 301,102.11
  4. Step 4: Simplify right side
    555,751.53x = 230,924,933,757.15
  5. Step 5: Solve for x
    x = 230,924,933,757.15/555,751.53
  6. Step 6: Final answer
    x = 415,518.31

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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.