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Finding the Fourth Proportional to 518,352.83, 777,505.15 and 181,469.06

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Solution

The fourth proportional to 518,352.83, 777,505.15 and 181,469.06 is: 272,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,352.83 : 777,505.15 = 181,469.06 : x
  2. Step 2: Convert to fraction form
    518,352.83/777,505.15 = 181,469.06/x
  3. Step 3: Cross multiply
    518,352.83x = 777,505.15 × 181,469.06
  4. Step 4: Simplify right side
    518,352.83x = 141,093,128,481.00
  5. Step 5: Solve for x
    x = 141,093,128,481.00/518,352.83
  6. Step 6: Final answer
    x = 272,195.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.