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Finding the Fourth Proportional to 833.96, 1,250.94 and 469.10

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Solution

The fourth proportional to 833.96, 1,250.94 and 469.10 is: 703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.96 : 1,250.94 = 469.10 : x
  2. Step 2: Convert to fraction form
    833.96/1,250.94 = 469.10/x
  3. Step 3: Cross multiply
    833.96x = 1,250.94 × 469.10
  4. Step 4: Simplify right side
    833.96x = 586,815.95
  5. Step 5: Solve for x
    x = 586,815.95/833.96
  6. Step 6: Final answer
    x = 703.65

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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.