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Finding the Fourth Proportional to 833.98, 1,252.11 and 524.92

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Solution

The fourth proportional to 833.98, 1,252.11 and 524.92 is: 788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.98 : 1,252.11 = 524.92 : x
  2. Step 2: Convert to fraction form
    833.98/1,252.11 = 524.92/x
  3. Step 3: Cross multiply
    833.98x = 1,252.11 × 524.92
  4. Step 4: Simplify right side
    833.98x = 657,257.58
  5. Step 5: Solve for x
    x = 657,257.58/833.98
  6. Step 6: Final answer
    x = 788.10

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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.