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Finding the Fourth Proportional to 322,278.51, 482,944.61 and 162,134.33

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Solution

The fourth proportional to 322,278.51, 482,944.61 and 162,134.33 is: 242,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,278.51 : 482,944.61 = 162,134.33 : x
  2. Step 2: Convert to fraction form
    322,278.51/482,944.61 = 162,134.33/x
  3. Step 3: Cross multiply
    322,278.51x = 482,944.61 × 162,134.33
  4. Step 4: Simplify right side
    322,278.51x = 78,301,897,544.07
  5. Step 5: Solve for x
    x = 78,301,897,544.07/322,278.51
  6. Step 6: Final answer
    x = 242,963.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.