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Finding the Fourth Proportional to 1,159.70, 1,739.57 and 337.97

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Solution

The fourth proportional to 1,159.70, 1,739.57 and 337.97 is: 506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.70 : 1,739.57 = 337.97 : x
  2. Step 2: Convert to fraction form
    1,159.70/1,739.57 = 337.97/x
  3. Step 3: Cross multiply
    1,159.70x = 1,739.57 × 337.97
  4. Step 4: Simplify right side
    1,159.70x = 587,925.13
  5. Step 5: Solve for x
    x = 587,925.13/1,159.70
  6. Step 6: Final answer
    x = 506.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.