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Finding the Fourth Proportional to 294,764.40, 442,146.60 and 169,959.60

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Solution

The fourth proportional to 294,764.40, 442,146.60 and 169,959.60 is: 254,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,764.40 : 442,146.60 = 169,959.60 : x
  2. Step 2: Convert to fraction form
    294,764.40/442,146.60 = 169,959.60/x
  3. Step 3: Cross multiply
    294,764.40x = 442,146.60 × 169,959.60
  4. Step 4: Simplify right side
    294,764.40x = 75,147,059,277.36
  5. Step 5: Solve for x
    x = 75,147,059,277.36/294,764.40
  6. Step 6: Final answer
    x = 254,939.40

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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.