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Finding the Fourth Proportional to 335.22, 463.40 and 332.11

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Solution

The fourth proportional to 335.22, 463.40 and 332.11 is: 459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.22 : 463.40 = 332.11 : x
  2. Step 2: Convert to fraction form
    335.22/463.40 = 332.11/x
  3. Step 3: Cross multiply
    335.22x = 463.40 × 332.11
  4. Step 4: Simplify right side
    335.22x = 153,899.77
  5. Step 5: Solve for x
    x = 153,899.77/335.22
  6. Step 6: Final answer
    x = 459.10

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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.