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Finding the Fourth Proportional to 735,599.88, 1,102,615.74 and 419,375.88

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Solution

The fourth proportional to 735,599.88, 1,102,615.74 and 419,375.88 is: 628,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,599.88 : 1,102,615.74 = 419,375.88 : x
  2. Step 2: Convert to fraction form
    735,599.88/1,102,615.74 = 419,375.88/x
  3. Step 3: Cross multiply
    735,599.88x = 1,102,615.74 × 419,375.88
  4. Step 4: Simplify right side
    735,599.88x = 462,410,446,264.35
  5. Step 5: Solve for x
    x = 462,410,446,264.35/735,599.88
  6. Step 6: Final answer
    x = 628,616.80

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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.