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Finding the Fourth Proportional to 452,211.84, 624,021.12 and 250,992

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Solution

The fourth proportional to 452,211.84, 624,021.12 and 250,992 is: 346,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,211.84 : 624,021.12 = 250,992 : x
  2. Step 2: Convert to fraction form
    452,211.84/624,021.12 = 250,992/x
  3. Step 3: Cross multiply
    452,211.84x = 624,021.12 × 250,992
  4. Step 4: Simplify right side
    452,211.84x = 156,624,308,951.04
  5. Step 5: Solve for x
    x = 156,624,308,951.04/452,211.84
  6. Step 6: Final answer
    x = 346,351.63

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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.