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Finding the Fourth Proportional to 1,184.91, 1,777.64 and 535.64

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Solution

The fourth proportional to 1,184.91, 1,777.64 and 535.64 is: 803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.91 : 1,777.64 = 535.64 : x
  2. Step 2: Convert to fraction form
    1,184.91/1,777.64 = 535.64/x
  3. Step 3: Cross multiply
    1,184.91x = 1,777.64 × 535.64
  4. Step 4: Simplify right side
    1,184.91x = 952,175.09
  5. Step 5: Solve for x
    x = 952,175.09/1,184.91
  6. Step 6: Final answer
    x = 803.58

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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.