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Finding the Fourth Proportional to 609,067.04, 912,997.92 and 288,655.76

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Solution

The fourth proportional to 609,067.04, 912,997.92 and 288,655.76 is: 432,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,067.04 : 912,997.92 = 288,655.76 : x
  2. Step 2: Convert to fraction form
    609,067.04/912,997.92 = 288,655.76/x
  3. Step 3: Cross multiply
    609,067.04x = 912,997.92 × 288,655.76
  4. Step 4: Simplify right side
    609,067.04x = 263,542,108,476.02
  5. Step 5: Solve for x
    x = 263,542,108,476.02/609,067.04
  6. Step 6: Final answer
    x = 432,698.03

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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.