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Finding the Fourth Proportional to 846.73, 1,168.48 and 473.73

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Solution

The fourth proportional to 846.73, 1,168.48 and 473.73 is: 653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.73 : 1,168.48 = 473.73 : x
  2. Step 2: Convert to fraction form
    846.73/1,168.48 = 473.73/x
  3. Step 3: Cross multiply
    846.73x = 1,168.48 × 473.73
  4. Step 4: Simplify right side
    846.73x = 553,544.03
  5. Step 5: Solve for x
    x = 553,544.03/846.73
  6. Step 6: Final answer
    x = 653.74

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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.