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Finding the Fourth Proportional to 554.93, 832.48 and 246.78

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Solution

The fourth proportional to 554.93, 832.48 and 246.78 is: 370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.93 : 832.48 = 246.78 : x
  2. Step 2: Convert to fraction form
    554.93/832.48 = 246.78/x
  3. Step 3: Cross multiply
    554.93x = 832.48 × 246.78
  4. Step 4: Simplify right side
    554.93x = 205,438.80
  5. Step 5: Solve for x
    x = 205,438.80/554.93
  6. Step 6: Final answer
    x = 370.21

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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.