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Finding the Fourth Proportional to 1,016.30, 1,524.08 and 358.01

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Solution

The fourth proportional to 1,016.30, 1,524.08 and 358.01 is: 536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.30 : 1,524.08 = 358.01 : x
  2. Step 2: Convert to fraction form
    1,016.30/1,524.08 = 358.01/x
  3. Step 3: Cross multiply
    1,016.30x = 1,524.08 × 358.01
  4. Step 4: Simplify right side
    1,016.30x = 545,626.47
  5. Step 5: Solve for x
    x = 545,626.47/1,016.30
  6. Step 6: Final answer
    x = 536.88

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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.