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Finding the Fourth Proportional to 1,183.91, 1,776.14 and 534.64

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Solution

The fourth proportional to 1,183.91, 1,776.14 and 534.64 is: 802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.91 : 1,776.14 = 534.64 : x
  2. Step 2: Convert to fraction form
    1,183.91/1,776.14 = 534.64/x
  3. Step 3: Cross multiply
    1,183.91x = 1,776.14 × 534.64
  4. Step 4: Simplify right side
    1,183.91x = 949,595.49
  5. Step 5: Solve for x
    x = 949,595.49/1,183.91
  6. Step 6: Final answer
    x = 802.08

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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.