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Finding the Fourth Proportional to 364.62, 503.10 and 266.40

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Solution

The fourth proportional to 364.62, 503.10 and 266.40 is: 367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.62 : 503.10 = 266.40 : x
  2. Step 2: Convert to fraction form
    364.62/503.10 = 266.40/x
  3. Step 3: Cross multiply
    364.62x = 503.10 × 266.40
  4. Step 4: Simplify right side
    364.62x = 134,025.84
  5. Step 5: Solve for x
    x = 134,025.84/364.62
  6. Step 6: Final answer
    x = 367.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.