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Finding the Fourth Proportional to 464.59, 696.27 and 348.11

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Solution

The fourth proportional to 464.59, 696.27 and 348.11 is: 521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.59 : 696.27 = 348.11 : x
  2. Step 2: Convert to fraction form
    464.59/696.27 = 348.11/x
  3. Step 3: Cross multiply
    464.59x = 696.27 × 348.11
  4. Step 4: Simplify right side
    464.59x = 242,381.16
  5. Step 5: Solve for x
    x = 242,381.16/464.59
  6. Step 6: Final answer
    x = 521.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.