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Finding the Fourth Proportional to 1,337.16, 1,845.27 and 739.69

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Solution

The fourth proportional to 1,337.16, 1,845.27 and 739.69 is: 1,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.16 : 1,845.27 = 739.69 : x
  2. Step 2: Convert to fraction form
    1,337.16/1,845.27 = 739.69/x
  3. Step 3: Cross multiply
    1,337.16x = 1,845.27 × 739.69
  4. Step 4: Simplify right side
    1,337.16x = 1,364,939.77
  5. Step 5: Solve for x
    x = 1,364,939.77/1,337.16
  6. Step 6: Final answer
    x = 1,020.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.