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Finding the Fourth Proportional to 833.01, 1,149.63 and 460.03

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Solution

The fourth proportional to 833.01, 1,149.63 and 460.03 is: 634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.01 : 1,149.63 = 460.03 : x
  2. Step 2: Convert to fraction form
    833.01/1,149.63 = 460.03/x
  3. Step 3: Cross multiply
    833.01x = 1,149.63 × 460.03
  4. Step 4: Simplify right side
    833.01x = 528,864.29
  5. Step 5: Solve for x
    x = 528,864.29/833.01
  6. Step 6: Final answer
    x = 634.88

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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.