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Finding the Fourth Proportional to 1,032.56, 1,548.72 and 263.04

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Solution

The fourth proportional to 1,032.56, 1,548.72 and 263.04 is: 394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.56 : 1,548.72 = 263.04 : x
  2. Step 2: Convert to fraction form
    1,032.56/1,548.72 = 263.04/x
  3. Step 3: Cross multiply
    1,032.56x = 1,548.72 × 263.04
  4. Step 4: Simplify right side
    1,032.56x = 407,375.31
  5. Step 5: Solve for x
    x = 407,375.31/1,032.56
  6. Step 6: Final answer
    x = 394.53

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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.