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Finding the Fourth Proportional to 305,783.01, 458,679.30 and 92,553.26

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Solution

The fourth proportional to 305,783.01, 458,679.30 and 92,553.26 is: 138,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,783.01 : 458,679.30 = 92,553.26 : x
  2. Step 2: Convert to fraction form
    305,783.01/458,679.30 = 92,553.26/x
  3. Step 3: Cross multiply
    305,783.01x = 458,679.30 × 92,553.26
  4. Step 4: Simplify right side
    305,783.01x = 42,452,262,216.12
  5. Step 5: Solve for x
    x = 42,452,262,216.12/305,783.01
  6. Step 6: Final answer
    x = 138,831.33

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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.