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Finding the Fourth Proportional to 1,103.18, 1,655.01 and 362.84

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Solution

The fourth proportional to 1,103.18, 1,655.01 and 362.84 is: 544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.18 : 1,655.01 = 362.84 : x
  2. Step 2: Convert to fraction form
    1,103.18/1,655.01 = 362.84/x
  3. Step 3: Cross multiply
    1,103.18x = 1,655.01 × 362.84
  4. Step 4: Simplify right side
    1,103.18x = 600,495.55
  5. Step 5: Solve for x
    x = 600,495.55/1,103.18
  6. Step 6: Final answer
    x = 544.33

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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.