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Finding the Fourth Proportional to 295,455.60, 442,753.56 and 168,704.64

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Solution

The fourth proportional to 295,455.60, 442,753.56 and 168,704.64 is: 252,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,455.60 : 442,753.56 = 168,704.64 : x
  2. Step 2: Convert to fraction form
    295,455.60/442,753.56 = 168,704.64/x
  3. Step 3: Cross multiply
    295,455.60x = 442,753.56 × 168,704.64
  4. Step 4: Simplify right side
    295,455.60x = 74,694,579,948.52
  5. Step 5: Solve for x
    x = 74,694,579,948.52/295,455.60
  6. Step 6: Final answer
    x = 252,811.52

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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.