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Finding the Fourth Proportional to 445,408.66, 614,637.48 and 264,137.68

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Solution

The fourth proportional to 445,408.66, 614,637.48 and 264,137.68 is: 364,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,408.66 : 614,637.48 = 264,137.68 : x
  2. Step 2: Convert to fraction form
    445,408.66/614,637.48 = 264,137.68/x
  3. Step 3: Cross multiply
    445,408.66x = 614,637.48 × 264,137.68
  4. Step 4: Simplify right side
    445,408.66x = 162,348,918,008.25
  5. Step 5: Solve for x
    x = 162,348,918,008.25/445,408.66
  6. Step 6: Final answer
    x = 364,494.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.