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Finding the Fourth Proportional to 334,206.80, 501,310.20 and 245,633.30

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Solution

The fourth proportional to 334,206.80, 501,310.20 and 245,633.30 is: 368,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,206.80 : 501,310.20 = 245,633.30 : x
  2. Step 2: Convert to fraction form
    334,206.80/501,310.20 = 245,633.30/x
  3. Step 3: Cross multiply
    334,206.80x = 501,310.20 × 245,633.30
  4. Step 4: Simplify right side
    334,206.80x = 123,138,478,749.66
  5. Step 5: Solve for x
    x = 123,138,478,749.66/334,206.80
  6. Step 6: Final answer
    x = 368,449.95

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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.