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Finding the Fourth Proportional to 295,978.60, 444,443.10 and 274,148.20

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Solution

The fourth proportional to 295,978.60, 444,443.10 and 274,148.20 is: 411,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,978.60 : 444,443.10 = 274,148.20 : x
  2. Step 2: Convert to fraction form
    295,978.60/444,443.10 = 274,148.20/x
  3. Step 3: Cross multiply
    295,978.60x = 444,443.10 × 274,148.20
  4. Step 4: Simplify right side
    295,978.60x = 121,843,275,867.42
  5. Step 5: Solve for x
    x = 121,843,275,867.42/295,978.60
  6. Step 6: Final answer
    x = 411,662.45

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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.