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Finding the Fourth Proportional to 1,103.16, 1,522.36 and 599.01

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Solution

The fourth proportional to 1,103.16, 1,522.36 and 599.01 is: 826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.16 : 1,522.36 = 599.01 : x
  2. Step 2: Convert to fraction form
    1,103.16/1,522.36 = 599.01/x
  3. Step 3: Cross multiply
    1,103.16x = 1,522.36 × 599.01
  4. Step 4: Simplify right side
    1,103.16x = 911,904.82
  5. Step 5: Solve for x
    x = 911,904.82/1,103.16
  6. Step 6: Final answer
    x = 826.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.