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Finding the Fourth Proportional to 364.60, 547.16 and 248.77

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Solution

The fourth proportional to 364.60, 547.16 and 248.77 is: 373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.60 : 547.16 = 248.77 : x
  2. Step 2: Convert to fraction form
    364.60/547.16 = 248.77/x
  3. Step 3: Cross multiply
    364.60x = 547.16 × 248.77
  4. Step 4: Simplify right side
    364.60x = 136,113.01
  5. Step 5: Solve for x
    x = 136,113.01/364.60
  6. Step 6: Final answer
    x = 373.33

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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.