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Finding the Fourth Proportional to 1,037.85, 1,556.59 and 344.92

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Solution

The fourth proportional to 1,037.85, 1,556.59 and 344.92 is: 517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.85 : 1,556.59 = 344.92 : x
  2. Step 2: Convert to fraction form
    1,037.85/1,556.59 = 344.92/x
  3. Step 3: Cross multiply
    1,037.85x = 1,556.59 × 344.92
  4. Step 4: Simplify right side
    1,037.85x = 536,899.02
  5. Step 5: Solve for x
    x = 536,899.02/1,037.85
  6. Step 6: Final answer
    x = 517.32

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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.