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Finding the Fourth Proportional to 605,127.80, 907,821.30 and 184,446.20

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Solution

The fourth proportional to 605,127.80, 907,821.30 and 184,446.20 is: 276,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,127.80 : 907,821.30 = 184,446.20 : x
  2. Step 2: Convert to fraction form
    605,127.80/907,821.30 = 184,446.20/x
  3. Step 3: Cross multiply
    605,127.80x = 907,821.30 × 184,446.20
  4. Step 4: Simplify right side
    605,127.80x = 167,444,189,064.06
  5. Step 5: Solve for x
    x = 167,444,189,064.06/605,127.80
  6. Step 6: Final answer
    x = 276,708.80

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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.