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Finding the Fourth Proportional to 1,493.34, 2,240.36 and 568.94

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Solution

The fourth proportional to 1,493.34, 2,240.36 and 568.94 is: 853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.34 : 2,240.36 = 568.94 : x
  2. Step 2: Convert to fraction form
    1,493.34/2,240.36 = 568.94/x
  3. Step 3: Cross multiply
    1,493.34x = 2,240.36 × 568.94
  4. Step 4: Simplify right side
    1,493.34x = 1,274,630.42
  5. Step 5: Solve for x
    x = 1,274,630.42/1,493.34
  6. Step 6: Final answer
    x = 853.54

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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.