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Finding the Fourth Proportional to 305,844.10, 429,067.48 and 305,844.10

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Solution

The fourth proportional to 305,844.10, 429,067.48 and 305,844.10 is: 429,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,844.10 : 429,067.48 = 305,844.10 : x
  2. Step 2: Convert to fraction form
    305,844.10/429,067.48 = 305,844.10/x
  3. Step 3: Cross multiply
    305,844.10x = 429,067.48 × 305,844.10
  4. Step 4: Simplify right side
    305,844.10x = 131,227,755,730.65
  5. Step 5: Solve for x
    x = 131,227,755,730.65/305,844.10
  6. Step 6: Final answer
    x = 429,067.48

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.