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Finding the Fourth Proportional to 355.68, 533.52 and 184.80

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Solution

The fourth proportional to 355.68, 533.52 and 184.80 is: 277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.68 : 533.52 = 184.80 : x
  2. Step 2: Convert to fraction form
    355.68/533.52 = 184.80/x
  3. Step 3: Cross multiply
    355.68x = 533.52 × 184.80
  4. Step 4: Simplify right side
    355.68x = 98,594.50
  5. Step 5: Solve for x
    x = 98,594.50/355.68
  6. Step 6: Final answer
    x = 277.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.