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Finding the Fourth Proportional to 459,174.57, 633,633.78 and 255,218.48

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Solution

The fourth proportional to 459,174.57, 633,633.78 and 255,218.48 is: 352,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,174.57 : 633,633.78 = 255,218.48 : x
  2. Step 2: Convert to fraction form
    459,174.57/633,633.78 = 255,218.48/x
  3. Step 3: Cross multiply
    459,174.57x = 633,633.78 × 255,218.48
  4. Step 4: Simplify right side
    459,174.57x = 161,715,051,251.92
  5. Step 5: Solve for x
    x = 161,715,051,251.92/459,174.57
  6. Step 6: Final answer
    x = 352,186.43

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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.