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Finding the Fourth Proportional to 364.68, 546.12 and 358.74

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Solution

The fourth proportional to 364.68, 546.12 and 358.74 is: 537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.68 : 546.12 = 358.74 : x
  2. Step 2: Convert to fraction form
    364.68/546.12 = 358.74/x
  3. Step 3: Cross multiply
    364.68x = 546.12 × 358.74
  4. Step 4: Simplify right side
    364.68x = 195,915.09
  5. Step 5: Solve for x
    x = 195,915.09/364.68
  6. Step 6: Final answer
    x = 537.22

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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.