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Finding the Fourth Proportional to 364.55, 547.36 and 358.07

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Solution

The fourth proportional to 364.55, 547.36 and 358.07 is: 537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.55 : 547.36 = 358.07 : x
  2. Step 2: Convert to fraction form
    364.55/547.36 = 358.07/x
  3. Step 3: Cross multiply
    364.55x = 547.36 × 358.07
  4. Step 4: Simplify right side
    364.55x = 195,990.46
  5. Step 5: Solve for x
    x = 195,990.46/364.55
  6. Step 6: Final answer
    x = 537.63

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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.