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Finding the Fourth Proportional to 612,176.29, 844,817.64 and 340,255.65

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Solution

The fourth proportional to 612,176.29, 844,817.64 and 340,255.65 is: 469,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,176.29 : 844,817.64 = 340,255.65 : x
  2. Step 2: Convert to fraction form
    612,176.29/844,817.64 = 340,255.65/x
  3. Step 3: Cross multiply
    612,176.29x = 844,817.64 × 340,255.65
  4. Step 4: Simplify right side
    612,176.29x = 287,453,975,229.67
  5. Step 5: Solve for x
    x = 287,453,975,229.67/612,176.29
  6. Step 6: Final answer
    x = 469,560.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.