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Finding the Fourth Proportional to 1,001.68, 1,502.44 and 352.84

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Solution

The fourth proportional to 1,001.68, 1,502.44 and 352.84 is: 529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.68 : 1,502.44 = 352.84 : x
  2. Step 2: Convert to fraction form
    1,001.68/1,502.44 = 352.84/x
  3. Step 3: Cross multiply
    1,001.68x = 1,502.44 × 352.84
  4. Step 4: Simplify right side
    1,001.68x = 530,120.93
  5. Step 5: Solve for x
    x = 530,120.93/1,001.68
  6. Step 6: Final answer
    x = 529.23

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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.