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Finding the Fourth Proportional to 442,408.43, 610,575.57 and 251,450.53

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Solution

The fourth proportional to 442,408.43, 610,575.57 and 251,450.53 is: 347,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,408.43 : 610,575.57 = 251,450.53 : x
  2. Step 2: Convert to fraction form
    442,408.43/610,575.57 = 251,450.53/x
  3. Step 3: Cross multiply
    442,408.43x = 610,575.57 × 251,450.53
  4. Step 4: Simplify right side
    442,408.43x = 153,529,549,155.11
  5. Step 5: Solve for x
    x = 153,529,549,155.11/442,408.43
  6. Step 6: Final answer
    x = 347,031.25

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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.