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Finding the Fourth Proportional to 358.08, 533.50 and 336

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Solution

The fourth proportional to 358.08, 533.50 and 336 is: 500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.08 : 533.50 = 336 : x
  2. Step 2: Convert to fraction form
    358.08/533.50 = 336/x
  3. Step 3: Cross multiply
    358.08x = 533.50 × 336
  4. Step 4: Simplify right side
    358.08x = 179,256
  5. Step 5: Solve for x
    x = 179,256/358.08
  6. Step 6: Final answer
    x = 500.60

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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.