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Finding the Fourth Proportional to 364.88, 502.80 and 336.08

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Solution

The fourth proportional to 364.88, 502.80 and 336.08 is: 463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.88 : 502.80 = 336.08 : x
  2. Step 2: Convert to fraction form
    364.88/502.80 = 336.08/x
  3. Step 3: Cross multiply
    364.88x = 502.80 × 336.08
  4. Step 4: Simplify right side
    364.88x = 168,981.02
  5. Step 5: Solve for x
    x = 168,981.02/364.88
  6. Step 6: Final answer
    x = 463.11

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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.