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Finding the Fourth Proportional to 362.76, 502.65 and 358.08

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Solution

The fourth proportional to 362.76, 502.65 and 358.08 is: 496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.76 : 502.65 = 358.08 : x
  2. Step 2: Convert to fraction form
    362.76/502.65 = 358.08/x
  3. Step 3: Cross multiply
    362.76x = 502.65 × 358.08
  4. Step 4: Simplify right side
    362.76x = 179,988.91
  5. Step 5: Solve for x
    x = 179,988.91/362.76
  6. Step 6: Final answer
    x = 496.17

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.