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Finding the Fourth Proportional to 362.96, 543.72 and 358.64

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Solution

The fourth proportional to 362.96, 543.72 and 358.64 is: 537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.96 : 543.72 = 358.64 : x
  2. Step 2: Convert to fraction form
    362.96/543.72 = 358.64/x
  3. Step 3: Cross multiply
    362.96x = 543.72 × 358.64
  4. Step 4: Simplify right side
    362.96x = 194,999.74
  5. Step 5: Solve for x
    x = 194,999.74/362.96
  6. Step 6: Final answer
    x = 537.25

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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.