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Finding the Fourth Proportional to 555,204.30, 766,181.04 and 300,555.42

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Solution

The fourth proportional to 555,204.30, 766,181.04 and 300,555.42 is: 414,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,204.30 : 766,181.04 = 300,555.42 : x
  2. Step 2: Convert to fraction form
    555,204.30/766,181.04 = 300,555.42/x
  3. Step 3: Cross multiply
    555,204.30x = 766,181.04 × 300,555.42
  4. Step 4: Simplify right side
    555,204.30x = 230,279,864,273.24
  5. Step 5: Solve for x
    x = 230,279,864,273.24/555,204.30
  6. Step 6: Final answer
    x = 414,766.00

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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.