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Finding the Fourth Proportional to 364.55, 503.05 and 207.17

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Solution

The fourth proportional to 364.55, 503.05 and 207.17 is: 285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.55 : 503.05 = 207.17 : x
  2. Step 2: Convert to fraction form
    364.55/503.05 = 207.17/x
  3. Step 3: Cross multiply
    364.55x = 503.05 × 207.17
  4. Step 4: Simplify right side
    364.55x = 104,216.87
  5. Step 5: Solve for x
    x = 104,216.87/364.55
  6. Step 6: Final answer
    x = 285.88

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