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Finding the Fourth Proportional to 605,067.80, 907,731.30 and 184,386.20

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Solution

The fourth proportional to 605,067.80, 907,731.30 and 184,386.20 is: 276,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,067.80 : 907,731.30 = 184,386.20 : x
  2. Step 2: Convert to fraction form
    605,067.80/907,731.30 = 184,386.20/x
  3. Step 3: Cross multiply
    605,067.80x = 907,731.30 × 184,386.20
  4. Step 4: Simplify right side
    605,067.80x = 167,373,125,028.06
  5. Step 5: Solve for x
    x = 167,373,125,028.06/605,067.80
  6. Step 6: Final answer
    x = 276,618.79

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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.