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Finding the Fourth Proportional to 295,986.60, 444,455.10 and 274,156.20

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Solution

The fourth proportional to 295,986.60, 444,455.10 and 274,156.20 is: 411,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,986.60 : 444,455.10 = 274,156.20 : x
  2. Step 2: Convert to fraction form
    295,986.60/444,455.10 = 274,156.20/x
  3. Step 3: Cross multiply
    295,986.60x = 444,455.10 × 274,156.20
  4. Step 4: Simplify right side
    295,986.60x = 121,850,121,286.62
  5. Step 5: Solve for x
    x = 121,850,121,286.62/295,986.60
  6. Step 6: Final answer
    x = 411,674.45

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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.