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Finding the Fourth Proportional to 1,016.44, 1,525.48 and 529.62

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Solution

The fourth proportional to 1,016.44, 1,525.48 and 529.62 is: 794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.44 : 1,525.48 = 529.62 : x
  2. Step 2: Convert to fraction form
    1,016.44/1,525.48 = 529.62/x
  3. Step 3: Cross multiply
    1,016.44x = 1,525.48 × 529.62
  4. Step 4: Simplify right side
    1,016.44x = 807,924.72
  5. Step 5: Solve for x
    x = 807,924.72/1,016.44
  6. Step 6: Final answer
    x = 794.86

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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.