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Finding the Fourth Proportional to 332.49, 495.83 and 314.30

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Solution

The fourth proportional to 332.49, 495.83 and 314.30 is: 468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.49 : 495.83 = 314.30 : x
  2. Step 2: Convert to fraction form
    332.49/495.83 = 314.30/x
  3. Step 3: Cross multiply
    332.49x = 495.83 × 314.30
  4. Step 4: Simplify right side
    332.49x = 155,838.52
  5. Step 5: Solve for x
    x = 155,838.52/332.49
  6. Step 6: Final answer
    x = 468.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.