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Finding the Fourth Proportional to 488,998.41, 733,255.69 and 173,408.01

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Solution

The fourth proportional to 488,998.41, 733,255.69 and 173,408.01 is: 260,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,998.41 : 733,255.69 = 173,408.01 : x
  2. Step 2: Convert to fraction form
    488,998.41/733,255.69 = 173,408.01/x
  3. Step 3: Cross multiply
    488,998.41x = 733,255.69 × 173,408.01
  4. Step 4: Simplify right side
    488,998.41x = 127,152,410,024.08
  5. Step 5: Solve for x
    x = 127,152,410,024.08/488,998.41
  6. Step 6: Final answer
    x = 260,026.22

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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.