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Finding the Fourth Proportional to 484,084.67, 668,023.41 and 263,314.65

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Solution

The fourth proportional to 484,084.67, 668,023.41 and 263,314.65 is: 363,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,084.67 : 668,023.41 = 263,314.65 : x
  2. Step 2: Convert to fraction form
    484,084.67/668,023.41 = 263,314.65/x
  3. Step 3: Cross multiply
    484,084.67x = 668,023.41 × 263,314.65
  4. Step 4: Simplify right side
    484,084.67x = 175,900,353,147.90
  5. Step 5: Solve for x
    x = 175,900,353,147.90/484,084.67
  6. Step 6: Final answer
    x = 363,366.91

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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.