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Finding the Fourth Proportional to 605,220.30, 907,960.05 and 184,538.70

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Solution

The fourth proportional to 605,220.30, 907,960.05 and 184,538.70 is: 276,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,220.30 : 907,960.05 = 184,538.70 : x
  2. Step 2: Convert to fraction form
    605,220.30/907,960.05 = 184,538.70/x
  3. Step 3: Cross multiply
    605,220.30x = 907,960.05 × 184,538.70
  4. Step 4: Simplify right side
    605,220.30x = 167,553,767,278.94
  5. Step 5: Solve for x
    x = 167,553,767,278.94/605,220.30
  6. Step 6: Final answer
    x = 276,847.57

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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.