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Finding the Fourth Proportional to 1,232.13, 1,847.88 and 538.98

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Solution

The fourth proportional to 1,232.13, 1,847.88 and 538.98 is: 808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.13 : 1,847.88 = 538.98 : x
  2. Step 2: Convert to fraction form
    1,232.13/1,847.88 = 538.98/x
  3. Step 3: Cross multiply
    1,232.13x = 1,847.88 × 538.98
  4. Step 4: Simplify right side
    1,232.13x = 995,970.36
  5. Step 5: Solve for x
    x = 995,970.36/1,232.13
  6. Step 6: Final answer
    x = 808.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.