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Finding the Fourth Proportional to 1,024.63, 1,414.01 and 558.88

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Solution

The fourth proportional to 1,024.63, 1,414.01 and 558.88 is: 771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.63 : 1,414.01 = 558.88 : x
  2. Step 2: Convert to fraction form
    1,024.63/1,414.01 = 558.88/x
  3. Step 3: Cross multiply
    1,024.63x = 1,414.01 × 558.88
  4. Step 4: Simplify right side
    1,024.63x = 790,261.91
  5. Step 5: Solve for x
    x = 790,261.91/1,024.63
  6. Step 6: Final answer
    x = 771.27

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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.