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Finding the Fourth Proportional to 703,243.73, 1,054,894.71 and 204,607.73

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Solution

The fourth proportional to 703,243.73, 1,054,894.71 and 204,607.73 is: 306,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,243.73 : 1,054,894.71 = 204,607.73 : x
  2. Step 2: Convert to fraction form
    703,243.73/1,054,894.71 = 204,607.73/x
  3. Step 3: Cross multiply
    703,243.73x = 1,054,894.71 × 204,607.73
  4. Step 4: Simplify right side
    703,243.73x = 215,839,612,002.11
  5. Step 5: Solve for x
    x = 215,839,612,002.11/703,243.73
  6. Step 6: Final answer
    x = 306,920.07

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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.