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Finding the Fourth Proportional to 515,529.93, 773,362.82 and 191,273.91

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Solution

The fourth proportional to 515,529.93, 773,362.82 and 191,273.91 is: 286,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,529.93 : 773,362.82 = 191,273.91 : x
  2. Step 2: Convert to fraction form
    515,529.93/773,362.82 = 191,273.91/x
  3. Step 3: Cross multiply
    515,529.93x = 773,362.82 × 191,273.91
  4. Step 4: Simplify right side
    515,529.93x = 147,924,129,597.70
  5. Step 5: Solve for x
    x = 147,924,129,597.70/515,529.93
  6. Step 6: Final answer
    x = 286,936.06

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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.