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Finding the Fourth Proportional to 459,326.88, 633,906.61 and 275,572.37

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Solution

The fourth proportional to 459,326.88, 633,906.61 and 275,572.37 is: 380,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,326.88 : 633,906.61 = 275,572.37 : x
  2. Step 2: Convert to fraction form
    459,326.88/633,906.61 = 275,572.37/x
  3. Step 3: Cross multiply
    459,326.88x = 633,906.61 × 275,572.37
  4. Step 4: Simplify right side
    459,326.88x = 174,687,147,772.20
  5. Step 5: Solve for x
    x = 174,687,147,772.20/459,326.88
  6. Step 6: Final answer
    x = 380,311.18

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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.