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Finding the Fourth Proportional to 371,336.98, 512,444.59 and 201,571.11

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Solution

The fourth proportional to 371,336.98, 512,444.59 and 201,571.11 is: 278,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,336.98 : 512,444.59 = 201,571.11 : x
  2. Step 2: Convert to fraction form
    371,336.98/512,444.59 = 201,571.11/x
  3. Step 3: Cross multiply
    371,336.98x = 512,444.59 × 201,571.11
  4. Step 4: Simplify right side
    371,336.98x = 103,294,024,819.80
  5. Step 5: Solve for x
    x = 103,294,024,819.80/371,336.98
  6. Step 6: Final answer
    x = 278,167.89

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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.