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Finding the Fourth Proportional to 473.10, 653.04 and 326.22

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Solution

The fourth proportional to 473.10, 653.04 and 326.22 is: 450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.10 : 653.04 = 326.22 : x
  2. Step 2: Convert to fraction form
    473.10/653.04 = 326.22/x
  3. Step 3: Cross multiply
    473.10x = 653.04 × 326.22
  4. Step 4: Simplify right side
    473.10x = 213,034.71
  5. Step 5: Solve for x
    x = 213,034.71/473.10
  6. Step 6: Final answer
    x = 450.30

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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.