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Finding the Fourth Proportional to 1,184.17, 1,776.24 and 403.96

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Solution

The fourth proportional to 1,184.17, 1,776.24 and 403.96 is: 605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.17 : 1,776.24 = 403.96 : x
  2. Step 2: Convert to fraction form
    1,184.17/1,776.24 = 403.96/x
  3. Step 3: Cross multiply
    1,184.17x = 1,776.24 × 403.96
  4. Step 4: Simplify right side
    1,184.17x = 717,529.91
  5. Step 5: Solve for x
    x = 717,529.91/1,184.17
  6. Step 6: Final answer
    x = 605.93

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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.