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Finding the Fourth Proportional to 501,418.08, 752,151.42 and 164,428.92

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Solution

The fourth proportional to 501,418.08, 752,151.42 and 164,428.92 is: 246,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,418.08 : 752,151.42 = 164,428.92 : x
  2. Step 2: Convert to fraction form
    501,418.08/752,151.42 = 164,428.92/x
  3. Step 3: Cross multiply
    501,418.08x = 752,151.42 × 164,428.92
  4. Step 4: Simplify right side
    501,418.08x = 123,675,445,667.07
  5. Step 5: Solve for x
    x = 123,675,445,667.07/501,418.08
  6. Step 6: Final answer
    x = 246,651.35

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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.