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Finding the Fourth Proportional to 292.38, 438.53 and 246.93

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Solution

The fourth proportional to 292.38, 438.53 and 246.93 is: 370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.38 : 438.53 = 246.93 : x
  2. Step 2: Convert to fraction form
    292.38/438.53 = 246.93/x
  3. Step 3: Cross multiply
    292.38x = 438.53 × 246.93
  4. Step 4: Simplify right side
    292.38x = 108,284.98
  5. Step 5: Solve for x
    x = 108,284.98/292.38
  6. Step 6: Final answer
    x = 370.36

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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.