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Finding the Fourth Proportional to 364.84, 546.93 and 133.57

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Solution

The fourth proportional to 364.84, 546.93 and 133.57 is: 200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.84 : 546.93 = 133.57 : x
  2. Step 2: Convert to fraction form
    364.84/546.93 = 133.57/x
  3. Step 3: Cross multiply
    364.84x = 546.93 × 133.57
  4. Step 4: Simplify right side
    364.84x = 73,051.83
  5. Step 5: Solve for x
    x = 73,051.83/364.84
  6. Step 6: Final answer
    x = 200.23

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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.