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Finding the Fourth Proportional to 1,184.01, 1,776.21 and 696.79

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Solution

The fourth proportional to 1,184.01, 1,776.21 and 696.79 is: 1,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.01 : 1,776.21 = 696.79 : x
  2. Step 2: Convert to fraction form
    1,184.01/1,776.21 = 696.79/x
  3. Step 3: Cross multiply
    1,184.01x = 1,776.21 × 696.79
  4. Step 4: Simplify right side
    1,184.01x = 1,237,645.37
  5. Step 5: Solve for x
    x = 1,237,645.37/1,184.01
  6. Step 6: Final answer
    x = 1,045.30

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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.