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Finding the Fourth Proportional to 364.59, 503.04 and 266.40

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Solution

The fourth proportional to 364.59, 503.04 and 266.40 is: 367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.59 : 503.04 = 266.40 : x
  2. Step 2: Convert to fraction form
    364.59/503.04 = 266.40/x
  3. Step 3: Cross multiply
    364.59x = 503.04 × 266.40
  4. Step 4: Simplify right side
    364.59x = 134,009.86
  5. Step 5: Solve for x
    x = 134,009.86/364.59
  6. Step 6: Final answer
    x = 367.56

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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.