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Finding the Fourth Proportional to 302,562.60, 453,843.90 and 277,679.40

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Solution

The fourth proportional to 302,562.60, 453,843.90 and 277,679.40 is: 416,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,562.60 : 453,843.90 = 277,679.40 : x
  2. Step 2: Convert to fraction form
    302,562.60/453,843.90 = 277,679.40/x
  3. Step 3: Cross multiply
    302,562.60x = 453,843.90 × 277,679.40
  4. Step 4: Simplify right side
    302,562.60x = 126,023,101,845.66
  5. Step 5: Solve for x
    x = 126,023,101,845.66/302,562.60
  6. Step 6: Final answer
    x = 416,519.10

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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.