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Finding the Fourth Proportional to 292.40, 436.30 and 244.40

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Solution

The fourth proportional to 292.40, 436.30 and 244.40 is: 364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.40 : 436.30 = 244.40 : x
  2. Step 2: Convert to fraction form
    292.40/436.30 = 244.40/x
  3. Step 3: Cross multiply
    292.40x = 436.30 × 244.40
  4. Step 4: Simplify right side
    292.40x = 106,631.72
  5. Step 5: Solve for x
    x = 106,631.72/292.40
  6. Step 6: Final answer
    x = 364.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.