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Finding the Fourth Proportional to 1,231.84, 1,848.08 and 366.16

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Solution

The fourth proportional to 1,231.84, 1,848.08 and 366.16 is: 549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.84 : 1,848.08 = 366.16 : x
  2. Step 2: Convert to fraction form
    1,231.84/1,848.08 = 366.16/x
  3. Step 3: Cross multiply
    1,231.84x = 1,848.08 × 366.16
  4. Step 4: Simplify right side
    1,231.84x = 676,692.97
  5. Step 5: Solve for x
    x = 676,692.97/1,231.84
  6. Step 6: Final answer
    x = 549.34

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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.