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Finding the Fourth Proportional to 846.06, 1,167.66 and 496.77

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Solution

The fourth proportional to 846.06, 1,167.66 and 496.77 is: 685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.06 : 1,167.66 = 496.77 : x
  2. Step 2: Convert to fraction form
    846.06/1,167.66 = 496.77/x
  3. Step 3: Cross multiply
    846.06x = 1,167.66 × 496.77
  4. Step 4: Simplify right side
    846.06x = 580,058.46
  5. Step 5: Solve for x
    x = 580,058.46/846.06
  6. Step 6: Final answer
    x = 685.60

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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.