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Finding the Fourth Proportional to 1,566.48, 2,349.97 and 511.97

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Solution

The fourth proportional to 1,566.48, 2,349.97 and 511.97 is: 768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.48 : 2,349.97 = 511.97 : x
  2. Step 2: Convert to fraction form
    1,566.48/2,349.97 = 511.97/x
  3. Step 3: Cross multiply
    1,566.48x = 2,349.97 × 511.97
  4. Step 4: Simplify right side
    1,566.48x = 1,203,101.11
  5. Step 5: Solve for x
    x = 1,203,101.11/1,566.48
  6. Step 6: Final answer
    x = 768.03

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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.