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Finding the Fourth Proportional to 1,027.98, 1,542.06 and 297.59

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Solution

The fourth proportional to 1,027.98, 1,542.06 and 297.59 is: 446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.98 : 1,542.06 = 297.59 : x
  2. Step 2: Convert to fraction form
    1,027.98/1,542.06 = 297.59/x
  3. Step 3: Cross multiply
    1,027.98x = 1,542.06 × 297.59
  4. Step 4: Simplify right side
    1,027.98x = 458,893.93
  5. Step 5: Solve for x
    x = 458,893.93/1,027.98
  6. Step 6: Final answer
    x = 446.40

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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.