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Finding the Fourth Proportional to 305,783.51, 458,680.05 and 92,553.75

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Solution

The fourth proportional to 305,783.51, 458,680.05 and 92,553.75 is: 138,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,783.51 : 458,680.05 = 92,553.75 : x
  2. Step 2: Convert to fraction form
    305,783.51/458,680.05 = 92,553.75/x
  3. Step 3: Cross multiply
    305,783.51x = 458,680.05 × 92,553.75
  4. Step 4: Simplify right side
    305,783.51x = 42,452,558,677.69
  5. Step 5: Solve for x
    x = 42,452,558,677.69/305,783.51
  6. Step 6: Final answer
    x = 138,832.07

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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.