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Finding the Fourth Proportional to 1,297.00, 1,944.92 and 372.35

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Solution

The fourth proportional to 1,297.00, 1,944.92 and 372.35 is: 558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297.00 : 1,944.92 = 372.35 : x
  2. Step 2: Convert to fraction form
    1,297.00/1,944.92 = 372.35/x
  3. Step 3: Cross multiply
    1,297.00x = 1,944.92 × 372.35
  4. Step 4: Simplify right side
    1,297.00x = 724,182.17
  5. Step 5: Solve for x
    x = 724,182.17/1,297.00
  6. Step 6: Final answer
    x = 558.35

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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.