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Finding the Fourth Proportional to 521,893.80, 782,612.76 and 184,822.44

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Solution

The fourth proportional to 521,893.80, 782,612.76 and 184,822.44 is: 277,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,893.80 : 782,612.76 = 184,822.44 : x
  2. Step 2: Convert to fraction form
    521,893.80/782,612.76 = 184,822.44/x
  3. Step 3: Cross multiply
    521,893.80x = 782,612.76 × 184,822.44
  4. Step 4: Simplify right side
    521,893.80x = 144,644,399,878.33
  5. Step 5: Solve for x
    x = 144,644,399,878.33/521,893.80
  6. Step 6: Final answer
    x = 277,152.94

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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.