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Finding the Fourth Proportional to 605,113.80, 907,800.30 and 184,432.20

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Solution

The fourth proportional to 605,113.80, 907,800.30 and 184,432.20 is: 276,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,113.80 : 907,800.30 = 184,432.20 : x
  2. Step 2: Convert to fraction form
    605,113.80/907,800.30 = 184,432.20/x
  3. Step 3: Cross multiply
    605,113.80x = 907,800.30 × 184,432.20
  4. Step 4: Simplify right side
    605,113.80x = 167,427,606,489.66
  5. Step 5: Solve for x
    x = 167,427,606,489.66/605,113.80
  6. Step 6: Final answer
    x = 276,687.80

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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.