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Finding the Fourth Proportional to 317.04, 437.58 and 246.96

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Solution

The fourth proportional to 317.04, 437.58 and 246.96 is: 340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.04 : 437.58 = 246.96 : x
  2. Step 2: Convert to fraction form
    317.04/437.58 = 246.96/x
  3. Step 3: Cross multiply
    317.04x = 437.58 × 246.96
  4. Step 4: Simplify right side
    317.04x = 108,064.76
  5. Step 5: Solve for x
    x = 108,064.76/317.04
  6. Step 6: Final answer
    x = 340.86

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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.