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Finding the Fourth Proportional to 1,016.12, 1,524.54 and 529.50

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Solution

The fourth proportional to 1,016.12, 1,524.54 and 529.50 is: 794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.12 : 1,524.54 = 529.50 : x
  2. Step 2: Convert to fraction form
    1,016.12/1,524.54 = 529.50/x
  3. Step 3: Cross multiply
    1,016.12x = 1,524.54 × 529.50
  4. Step 4: Simplify right side
    1,016.12x = 807,243.93
  5. Step 5: Solve for x
    x = 807,243.93/1,016.12
  6. Step 6: Final answer
    x = 794.44

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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.