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Finding the Fourth Proportional to 521,625.90, 782,244.45 and 184,536.30

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Solution

The fourth proportional to 521,625.90, 782,244.45 and 184,536.30 is: 276,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,625.90 : 782,244.45 = 184,536.30 : x
  2. Step 2: Convert to fraction form
    521,625.90/782,244.45 = 184,536.30/x
  3. Step 3: Cross multiply
    521,625.90x = 782,244.45 × 184,536.30
  4. Step 4: Simplify right side
    521,625.90x = 144,352,496,498.54
  5. Step 5: Solve for x
    x = 144,352,496,498.54/521,625.90
  6. Step 6: Final answer
    x = 276,735.68

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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.