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Finding the Fourth Proportional to 495.52, 683.89 and 296.36

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Solution

The fourth proportional to 495.52, 683.89 and 296.36 is: 409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.52 : 683.89 = 296.36 : x
  2. Step 2: Convert to fraction form
    495.52/683.89 = 296.36/x
  3. Step 3: Cross multiply
    495.52x = 683.89 × 296.36
  4. Step 4: Simplify right side
    495.52x = 202,677.71
  5. Step 5: Solve for x
    x = 202,677.71/495.52
  6. Step 6: Final answer
    x = 409.02

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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.