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Finding the Fourth Proportional to 833.04, 1,149.54 and 459.96

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Solution

The fourth proportional to 833.04, 1,149.54 and 459.96 is: 634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.04 : 1,149.54 = 459.96 : x
  2. Step 2: Convert to fraction form
    833.04/1,149.54 = 459.96/x
  3. Step 3: Cross multiply
    833.04x = 1,149.54 × 459.96
  4. Step 4: Simplify right side
    833.04x = 528,742.42
  5. Step 5: Solve for x
    x = 528,742.42/833.04
  6. Step 6: Final answer
    x = 634.71

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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.