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Finding the Fourth Proportional to 452,404, 624,343.44 and 251,212.96

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Solution

The fourth proportional to 452,404, 624,343.44 and 251,212.96 is: 346,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,404 : 624,343.44 = 251,212.96 : x
  2. Step 2: Convert to fraction form
    452,404/624,343.44 = 251,212.96/x
  3. Step 3: Cross multiply
    452,404x = 624,343.44 × 251,212.96
  4. Step 4: Simplify right side
    452,404x = 156,843,163,618.98
  5. Step 5: Solve for x
    x = 156,843,163,618.98/452,404
  6. Step 6: Final answer
    x = 346,688.28

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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.