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Finding the Fourth Proportional to 521,759.88, 782,990.55 and 184,799.34

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Solution

The fourth proportional to 521,759.88, 782,990.55 and 184,799.34 is: 277,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,759.88 : 782,990.55 = 184,799.34 : x
  2. Step 2: Convert to fraction form
    521,759.88/782,990.55 = 184,799.34/x
  3. Step 3: Cross multiply
    521,759.88x = 782,990.55 × 184,799.34
  4. Step 4: Simplify right side
    521,759.88x = 144,696,136,866.24
  5. Step 5: Solve for x
    x = 144,696,136,866.24/521,759.88
  6. Step 6: Final answer
    x = 277,323.23

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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.