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Finding the Fourth Proportional to 1,032.43, 1,548.65 and 252.43

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Solution

The fourth proportional to 1,032.43, 1,548.65 and 252.43 is: 378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.43 : 1,548.65 = 252.43 : x
  2. Step 2: Convert to fraction form
    1,032.43/1,548.65 = 252.43/x
  3. Step 3: Cross multiply
    1,032.43x = 1,548.65 × 252.43
  4. Step 4: Simplify right side
    1,032.43x = 390,925.72
  5. Step 5: Solve for x
    x = 390,925.72/1,032.43
  6. Step 6: Final answer
    x = 378.65

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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.