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Finding the Fourth Proportional to 1,233.66, 1,850.98 and 503.28

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Solution

The fourth proportional to 1,233.66, 1,850.98 and 503.28 is: 755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.66 : 1,850.98 = 503.28 : x
  2. Step 2: Convert to fraction form
    1,233.66/1,850.98 = 503.28/x
  3. Step 3: Cross multiply
    1,233.66x = 1,850.98 × 503.28
  4. Step 4: Simplify right side
    1,233.66x = 931,561.21
  5. Step 5: Solve for x
    x = 931,561.21/1,233.66
  6. Step 6: Final answer
    x = 755.12

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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.