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Finding the Fourth Proportional to 833.67, 1,150.20 and 502.02

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Solution

The fourth proportional to 833.67, 1,150.20 and 502.02 is: 692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.67 : 1,150.20 = 502.02 : x
  2. Step 2: Convert to fraction form
    833.67/1,150.20 = 502.02/x
  3. Step 3: Cross multiply
    833.67x = 1,150.20 × 502.02
  4. Step 4: Simplify right side
    833.67x = 577,423.40
  5. Step 5: Solve for x
    x = 577,423.40/833.67
  6. Step 6: Final answer
    x = 692.63

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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.