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Finding the Fourth Proportional to 1,037.48, 1,555.67 and 344.07

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Solution

The fourth proportional to 1,037.48, 1,555.67 and 344.07 is: 515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.48 : 1,555.67 = 344.07 : x
  2. Step 2: Convert to fraction form
    1,037.48/1,555.67 = 344.07/x
  3. Step 3: Cross multiply
    1,037.48x = 1,555.67 × 344.07
  4. Step 4: Simplify right side
    1,037.48x = 535,260.24
  5. Step 5: Solve for x
    x = 535,260.24/1,037.48
  6. Step 6: Final answer
    x = 515.93

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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.