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Finding the Fourth Proportional to 368.57, 508.65 and 244.15

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Solution

The fourth proportional to 368.57, 508.65 and 244.15 is: 336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.57 : 508.65 = 244.15 : x
  2. Step 2: Convert to fraction form
    368.57/508.65 = 244.15/x
  3. Step 3: Cross multiply
    368.57x = 508.65 × 244.15
  4. Step 4: Simplify right side
    368.57x = 124,184.35
  5. Step 5: Solve for x
    x = 124,184.35/368.57
  6. Step 6: Final answer
    x = 336.94

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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.