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Finding the Fourth Proportional to 846.72, 1,168.16 and 584.96

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Solution

The fourth proportional to 846.72, 1,168.16 and 584.96 is: 807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.72 : 1,168.16 = 584.96 : x
  2. Step 2: Convert to fraction form
    846.72/1,168.16 = 584.96/x
  3. Step 3: Cross multiply
    846.72x = 1,168.16 × 584.96
  4. Step 4: Simplify right side
    846.72x = 683,318.11
  5. Step 5: Solve for x
    x = 683,318.11/846.72
  6. Step 6: Final answer
    x = 807.02

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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.