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Finding the Fourth Proportional to 583,722.90, 876,240.45 and 451,190.70

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Solution

The fourth proportional to 583,722.90, 876,240.45 and 451,190.70 is: 677,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,722.90 : 876,240.45 = 451,190.70 : x
  2. Step 2: Convert to fraction form
    583,722.90/876,240.45 = 451,190.70/x
  3. Step 3: Cross multiply
    583,722.90x = 876,240.45 × 451,190.70
  4. Step 4: Simplify right side
    583,722.90x = 395,351,542,003.82
  5. Step 5: Solve for x
    x = 395,351,542,003.82/583,722.90
  6. Step 6: Final answer
    x = 677,293.18

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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.