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Finding the Fourth Proportional to 1,182.33, 1,773.87 and 402.36

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Solution

The fourth proportional to 1,182.33, 1,773.87 and 402.36 is: 603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.33 : 1,773.87 = 402.36 : x
  2. Step 2: Convert to fraction form
    1,182.33/1,773.87 = 402.36/x
  3. Step 3: Cross multiply
    1,182.33x = 1,773.87 × 402.36
  4. Step 4: Simplify right side
    1,182.33x = 713,734.33
  5. Step 5: Solve for x
    x = 713,734.33/1,182.33
  6. Step 6: Final answer
    x = 603.67

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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.