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Finding the Fourth Proportional to 452,748.78, 624,793.26 and 251,544.78

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Solution

The fourth proportional to 452,748.78, 624,793.26 and 251,544.78 is: 347,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,748.78 : 624,793.26 = 251,544.78 : x
  2. Step 2: Convert to fraction form
    452,748.78/624,793.26 = 251,544.78/x
  3. Step 3: Cross multiply
    452,748.78x = 624,793.26 × 251,544.78
  4. Step 4: Simplify right side
    452,748.78x = 157,163,483,132.18
  5. Step 5: Solve for x
    x = 157,163,483,132.18/452,748.78
  6. Step 6: Final answer
    x = 347,131.77

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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.