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Finding the Fourth Proportional to 834.91, 1,250.75 and 468.59

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Solution

The fourth proportional to 834.91, 1,250.75 and 468.59 is: 701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.91 : 1,250.75 = 468.59 : x
  2. Step 2: Convert to fraction form
    834.91/1,250.75 = 468.59/x
  3. Step 3: Cross multiply
    834.91x = 1,250.75 × 468.59
  4. Step 4: Simplify right side
    834.91x = 586,088.94
  5. Step 5: Solve for x
    x = 586,088.94/834.91
  6. Step 6: Final answer
    x = 701.98

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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.