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Finding the Fourth Proportional to 1,134.57, 1,701.72 and 365.07

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Solution

The fourth proportional to 1,134.57, 1,701.72 and 365.07 is: 547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.57 : 1,701.72 = 365.07 : x
  2. Step 2: Convert to fraction form
    1,134.57/1,701.72 = 365.07/x
  3. Step 3: Cross multiply
    1,134.57x = 1,701.72 × 365.07
  4. Step 4: Simplify right side
    1,134.57x = 621,246.92
  5. Step 5: Solve for x
    x = 621,246.92/1,134.57
  6. Step 6: Final answer
    x = 547.56

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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.