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Finding the Fourth Proportional to 294,891.90, 441,851.45 and 170,015.10

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Solution

The fourth proportional to 294,891.90, 441,851.45 and 170,015.10 is: 254,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,891.90 : 441,851.45 = 170,015.10 : x
  2. Step 2: Convert to fraction form
    294,891.90/441,851.45 = 170,015.10/x
  3. Step 3: Cross multiply
    294,891.90x = 441,851.45 × 170,015.10
  4. Step 4: Simplify right side
    294,891.90x = 75,121,418,456.90
  5. Step 5: Solve for x
    x = 75,121,418,456.90/294,891.90
  6. Step 6: Final answer
    x = 254,742.22

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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.