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Finding the Fourth Proportional to 1,134.13, 1,701.20 and 364.63

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Solution

The fourth proportional to 1,134.13, 1,701.20 and 364.63 is: 546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.13 : 1,701.20 = 364.63 : x
  2. Step 2: Convert to fraction form
    1,134.13/1,701.20 = 364.63/x
  3. Step 3: Cross multiply
    1,134.13x = 1,701.20 × 364.63
  4. Step 4: Simplify right side
    1,134.13x = 620,308.56
  5. Step 5: Solve for x
    x = 620,308.56/1,134.13
  6. Step 6: Final answer
    x = 546.95

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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.