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Finding the Fourth Proportional to 676,392.14, 933,387.88 and 370,469.85

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Solution

The fourth proportional to 676,392.14, 933,387.88 and 370,469.85 is: 511,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,392.14 : 933,387.88 = 370,469.85 : x
  2. Step 2: Convert to fraction form
    676,392.14/933,387.88 = 370,469.85/x
  3. Step 3: Cross multiply
    676,392.14x = 933,387.88 × 370,469.85
  4. Step 4: Simplify right side
    676,392.14x = 345,792,067,895.42
  5. Step 5: Solve for x
    x = 345,792,067,895.42/676,392.14
  6. Step 6: Final answer
    x = 511,230.17

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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.