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Finding the Fourth Proportional to 362.04, 543.12 and 355.92

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Solution

The fourth proportional to 362.04, 543.12 and 355.92 is: 533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.04 : 543.12 = 355.92 : x
  2. Step 2: Convert to fraction form
    362.04/543.12 = 355.92/x
  3. Step 3: Cross multiply
    362.04x = 543.12 × 355.92
  4. Step 4: Simplify right side
    362.04x = 193,307.27
  5. Step 5: Solve for x
    x = 193,307.27/362.04
  6. Step 6: Final answer
    x = 533.94

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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.