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Finding the Fourth Proportional to 1,184.06, 1,776 and 306.56

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Solution

The fourth proportional to 1,184.06, 1,776 and 306.56 is: 459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.06 : 1,776 = 306.56 : x
  2. Step 2: Convert to fraction form
    1,184.06/1,776 = 306.56/x
  3. Step 3: Cross multiply
    1,184.06x = 1,776 × 306.56
  4. Step 4: Simplify right side
    1,184.06x = 544,450.56
  5. Step 5: Solve for x
    x = 544,450.56/1,184.06
  6. Step 6: Final answer
    x = 459.82

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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.