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Finding the Fourth Proportional to 1,134.25, 1,701.42 and 364.75

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Solution

The fourth proportional to 1,134.25, 1,701.42 and 364.75 is: 547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.25 : 1,701.42 = 364.75 : x
  2. Step 2: Convert to fraction form
    1,134.25/1,701.42 = 364.75/x
  3. Step 3: Cross multiply
    1,134.25x = 1,701.42 × 364.75
  4. Step 4: Simplify right side
    1,134.25x = 620,592.95
  5. Step 5: Solve for x
    x = 620,592.95/1,134.25
  6. Step 6: Final answer
    x = 547.14

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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.