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Finding the Fourth Proportional to 521,883.52, 782,956.52 and 147,906.52

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Solution

The fourth proportional to 521,883.52, 782,956.52 and 147,906.52 is: 221,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,883.52 : 782,956.52 = 147,906.52 : x
  2. Step 2: Convert to fraction form
    521,883.52/782,956.52 = 147,906.52/x
  3. Step 3: Cross multiply
    521,883.52x = 782,956.52 × 147,906.52
  4. Step 4: Simplify right side
    521,883.52x = 115,804,374,184.51
  5. Step 5: Solve for x
    x = 115,804,374,184.51/521,883.52
  6. Step 6: Final answer
    x = 221,896.97

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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.