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Finding the Fourth Proportional to 611,481.84, 914,849.64 and 536,034.48

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Solution

The fourth proportional to 611,481.84, 914,849.64 and 536,034.48 is: 801,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,481.84 : 914,849.64 = 536,034.48 : x
  2. Step 2: Convert to fraction form
    611,481.84/914,849.64 = 536,034.48/x
  3. Step 3: Cross multiply
    611,481.84x = 914,849.64 × 536,034.48
  4. Step 4: Simplify right side
    611,481.84x = 490,390,951,055.59
  5. Step 5: Solve for x
    x = 490,390,951,055.59/611,481.84
  6. Step 6: Final answer
    x = 801,971.41

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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.