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Finding the Fourth Proportional to 846.56, 1,168.31 and 473.54

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Solution

The fourth proportional to 846.56, 1,168.31 and 473.54 is: 653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.56 : 1,168.31 = 473.54 : x
  2. Step 2: Convert to fraction form
    846.56/1,168.31 = 473.54/x
  3. Step 3: Cross multiply
    846.56x = 1,168.31 × 473.54
  4. Step 4: Simplify right side
    846.56x = 553,242.07
  5. Step 5: Solve for x
    x = 553,242.07/846.56
  6. Step 6: Final answer
    x = 653.52

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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.