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Finding the Fourth Proportional to 846.02, 1,167.33 and 496.58

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Solution

The fourth proportional to 846.02, 1,167.33 and 496.58 is: 685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.02 : 1,167.33 = 496.58 : x
  2. Step 2: Convert to fraction form
    846.02/1,167.33 = 496.58/x
  3. Step 3: Cross multiply
    846.02x = 1,167.33 × 496.58
  4. Step 4: Simplify right side
    846.02x = 579,672.73
  5. Step 5: Solve for x
    x = 579,672.73/846.02
  6. Step 6: Final answer
    x = 685.18

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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.