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Finding the Fourth Proportional to 674,232.80, 1,010,668.80 and 336,754.40

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Solution

The fourth proportional to 674,232.80, 1,010,668.80 and 336,754.40 is: 504,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,232.80 : 1,010,668.80 = 336,754.40 : x
  2. Step 2: Convert to fraction form
    674,232.80/1,010,668.80 = 336,754.40/x
  3. Step 3: Cross multiply
    674,232.80x = 1,010,668.80 × 336,754.40
  4. Step 4: Simplify right side
    674,232.80x = 340,347,165,342.72
  5. Step 5: Solve for x
    x = 340,347,165,342.72/674,232.80
  6. Step 6: Final answer
    x = 504,791.77

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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.