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Finding the Fourth Proportional to 1,104.28, 1,656.54 and 527.32

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Solution

The fourth proportional to 1,104.28, 1,656.54 and 527.32 is: 791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.28 : 1,656.54 = 527.32 : x
  2. Step 2: Convert to fraction form
    1,104.28/1,656.54 = 527.32/x
  3. Step 3: Cross multiply
    1,104.28x = 1,656.54 × 527.32
  4. Step 4: Simplify right side
    1,104.28x = 873,526.67
  5. Step 5: Solve for x
    x = 873,526.67/1,104.28
  6. Step 6: Final answer
    x = 791.04

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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.