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Finding the Fourth Proportional to 452,432.21, 624,363.46 and 248,503.97

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Solution

The fourth proportional to 452,432.21, 624,363.46 and 248,503.97 is: 342,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,432.21 : 624,363.46 = 248,503.97 : x
  2. Step 2: Convert to fraction form
    452,432.21/624,363.46 = 248,503.97/x
  3. Step 3: Cross multiply
    452,432.21x = 624,363.46 × 248,503.97
  4. Step 4: Simplify right side
    452,432.21x = 155,156,799,472.59
  5. Step 5: Solve for x
    x = 155,156,799,472.59/452,432.21
  6. Step 6: Final answer
    x = 342,939.33

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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.