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Finding the Fourth Proportional to 1,184.76, 1,776.87 and 362.61

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Solution

The fourth proportional to 1,184.76, 1,776.87 and 362.61 is: 543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.76 : 1,776.87 = 362.61 : x
  2. Step 2: Convert to fraction form
    1,184.76/1,776.87 = 362.61/x
  3. Step 3: Cross multiply
    1,184.76x = 1,776.87 × 362.61
  4. Step 4: Simplify right side
    1,184.76x = 644,310.83
  5. Step 5: Solve for x
    x = 644,310.83/1,184.76
  6. Step 6: Final answer
    x = 543.83

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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.