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Finding the Fourth Proportional to 829.37, 1,244.95 and 700.94

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Solution

The fourth proportional to 829.37, 1,244.95 and 700.94 is: 1,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    829.37 : 1,244.95 = 700.94 : x
  2. Step 2: Convert to fraction form
    829.37/1,244.95 = 700.94/x
  3. Step 3: Cross multiply
    829.37x = 1,244.95 × 700.94
  4. Step 4: Simplify right side
    829.37x = 872,636.61
  5. Step 5: Solve for x
    x = 872,636.61/829.37
  6. Step 6: Final answer
    x = 1,052.16

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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.