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Finding the Fourth Proportional to 1,233.46, 1,850.64 and 503.11

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Solution

The fourth proportional to 1,233.46, 1,850.64 and 503.11 is: 754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.46 : 1,850.64 = 503.11 : x
  2. Step 2: Convert to fraction form
    1,233.46/1,850.64 = 503.11/x
  3. Step 3: Cross multiply
    1,233.46x = 1,850.64 × 503.11
  4. Step 4: Simplify right side
    1,233.46x = 931,075.49
  5. Step 5: Solve for x
    x = 931,075.49/1,233.46
  6. Step 6: Final answer
    x = 754.85

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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.