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Finding the Fourth Proportional to 453,679.60, 680,519.40 and 294,247.30

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Solution

The fourth proportional to 453,679.60, 680,519.40 and 294,247.30 is: 441,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,679.60 : 680,519.40 = 294,247.30 : x
  2. Step 2: Convert to fraction form
    453,679.60/680,519.40 = 294,247.30/x
  3. Step 3: Cross multiply
    453,679.60x = 680,519.40 × 294,247.30
  4. Step 4: Simplify right side
    453,679.60x = 200,240,996,047.62
  5. Step 5: Solve for x
    x = 200,240,996,047.62/453,679.60
  6. Step 6: Final answer
    x = 441,370.95

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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.