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Finding the Fourth Proportional to 464.04, 694.32 and 309.24

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Solution

The fourth proportional to 464.04, 694.32 and 309.24 is: 462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.04 : 694.32 = 309.24 : x
  2. Step 2: Convert to fraction form
    464.04/694.32 = 309.24/x
  3. Step 3: Cross multiply
    464.04x = 694.32 × 309.24
  4. Step 4: Simplify right side
    464.04x = 214,711.52
  5. Step 5: Solve for x
    x = 214,711.52/464.04
  6. Step 6: Final answer
    x = 462.70

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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.