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Finding the Fourth Proportional to 1,232.84, 1,849.16 and 411.10

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Solution

The fourth proportional to 1,232.84, 1,849.16 and 411.10 is: 616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.84 : 1,849.16 = 411.10 : x
  2. Step 2: Convert to fraction form
    1,232.84/1,849.16 = 411.10/x
  3. Step 3: Cross multiply
    1,232.84x = 1,849.16 × 411.10
  4. Step 4: Simplify right side
    1,232.84x = 760,186.08
  5. Step 5: Solve for x
    x = 760,186.08/1,232.84
  6. Step 6: Final answer
    x = 616.61

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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.