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Finding the Fourth Proportional to 365.04, 503.28 and 277.56

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Solution

The fourth proportional to 365.04, 503.28 and 277.56 is: 382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.04 : 503.28 = 277.56 : x
  2. Step 2: Convert to fraction form
    365.04/503.28 = 277.56/x
  3. Step 3: Cross multiply
    365.04x = 503.28 × 277.56
  4. Step 4: Simplify right side
    365.04x = 139,690.40
  5. Step 5: Solve for x
    x = 139,690.40/365.04
  6. Step 6: Final answer
    x = 382.67

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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.