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Finding the Fourth Proportional to 751.52, 1,037.10 and 441

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Solution

The fourth proportional to 751.52, 1,037.10 and 441 is: 608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.52 : 1,037.10 = 441 : x
  2. Step 2: Convert to fraction form
    751.52/1,037.10 = 441/x
  3. Step 3: Cross multiply
    751.52x = 1,037.10 × 441
  4. Step 4: Simplify right side
    751.52x = 457,361.10
  5. Step 5: Solve for x
    x = 457,361.10/751.52
  6. Step 6: Final answer
    x = 608.58

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Why These Related Problems?

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