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Finding the Fourth Proportional to 1,037.75, 1,556.70 and 297.41

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Solution

The fourth proportional to 1,037.75, 1,556.70 and 297.41 is: 446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.75 : 1,556.70 = 297.41 : x
  2. Step 2: Convert to fraction form
    1,037.75/1,556.70 = 297.41/x
  3. Step 3: Cross multiply
    1,037.75x = 1,556.70 × 297.41
  4. Step 4: Simplify right side
    1,037.75x = 462,978.15
  5. Step 5: Solve for x
    x = 462,978.15/1,037.75
  6. Step 6: Final answer
    x = 446.14

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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.