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Finding the Fourth Proportional to 355.59, 533.79 and 332.10

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Solution

The fourth proportional to 355.59, 533.79 and 332.10 is: 498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.59 : 533.79 = 332.10 : x
  2. Step 2: Convert to fraction form
    355.59/533.79 = 332.10/x
  3. Step 3: Cross multiply
    355.59x = 533.79 × 332.10
  4. Step 4: Simplify right side
    355.59x = 177,271.66
  5. Step 5: Solve for x
    x = 177,271.66/355.59
  6. Step 6: Final answer
    x = 498.53

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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.