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Finding the Fourth Proportional to 967.46, 1,335.08 and 574.50

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Solution

The fourth proportional to 967.46, 1,335.08 and 574.50 is: 792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.46 : 1,335.08 = 574.50 : x
  2. Step 2: Convert to fraction form
    967.46/1,335.08 = 574.50/x
  3. Step 3: Cross multiply
    967.46x = 1,335.08 × 574.50
  4. Step 4: Simplify right side
    967.46x = 767,003.46
  5. Step 5: Solve for x
    x = 767,003.46/967.46
  6. Step 6: Final answer
    x = 792.80

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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.