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Finding the Fourth Proportional to 733.69, 1,101.54 and 460.84

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Solution

The fourth proportional to 733.69, 1,101.54 and 460.84 is: 691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.69 : 1,101.54 = 460.84 : x
  2. Step 2: Convert to fraction form
    733.69/1,101.54 = 460.84/x
  3. Step 3: Cross multiply
    733.69x = 1,101.54 × 460.84
  4. Step 4: Simplify right side
    733.69x = 507,633.69
  5. Step 5: Solve for x
    x = 507,633.69/733.69
  6. Step 6: Final answer
    x = 691.89

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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.