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Finding the Fourth Proportional to 967.58, 1,335.02 and 574.54

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Solution

The fourth proportional to 967.58, 1,335.02 and 574.54 is: 792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.58 : 1,335.02 = 574.54 : x
  2. Step 2: Convert to fraction form
    967.58/1,335.02 = 574.54/x
  3. Step 3: Cross multiply
    967.58x = 1,335.02 × 574.54
  4. Step 4: Simplify right side
    967.58x = 767,022.39
  5. Step 5: Solve for x
    x = 767,022.39/967.58
  6. Step 6: Final answer
    x = 792.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.