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Finding the Fourth Proportional to 1,169.29, 1,753.95 and 303.67

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Solution

The fourth proportional to 1,169.29, 1,753.95 and 303.67 is: 455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.29 : 1,753.95 = 303.67 : x
  2. Step 2: Convert to fraction form
    1,169.29/1,753.95 = 303.67/x
  3. Step 3: Cross multiply
    1,169.29x = 1,753.95 × 303.67
  4. Step 4: Simplify right side
    1,169.29x = 532,622.00
  5. Step 5: Solve for x
    x = 532,622.00/1,169.29
  6. Step 6: Final answer
    x = 455.51

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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.