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Finding the Fourth Proportional to 676,366.65, 1,014,310.65 and 196,494.61

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Solution

The fourth proportional to 676,366.65, 1,014,310.65 and 196,494.61 is: 294,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,366.65 : 1,014,310.65 = 196,494.61 : x
  2. Step 2: Convert to fraction form
    676,366.65/1,014,310.65 = 196,494.61/x
  3. Step 3: Cross multiply
    676,366.65x = 1,014,310.65 × 196,494.61
  4. Step 4: Simplify right side
    676,366.65x = 199,306,575,590.60
  5. Step 5: Solve for x
    x = 199,306,575,590.60/676,366.65
  6. Step 6: Final answer
    x = 294,672.39

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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.