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Finding the Fourth Proportional to 451,951.11, 623,690.80 and 248,005.44

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Solution

The fourth proportional to 451,951.11, 623,690.80 and 248,005.44 is: 342,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,951.11 : 623,690.80 = 248,005.44 : x
  2. Step 2: Convert to fraction form
    451,951.11/623,690.80 = 248,005.44/x
  3. Step 3: Cross multiply
    451,951.11x = 623,690.80 × 248,005.44
  4. Step 4: Simplify right side
    451,951.11x = 154,678,711,277.95
  5. Step 5: Solve for x
    x = 154,678,711,277.95/451,951.11
  6. Step 6: Final answer
    x = 342,246.56

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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.