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Finding the Fourth Proportional to 368,370.53, 552,553.97 and 318,297.35

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Solution

The fourth proportional to 368,370.53, 552,553.97 and 318,297.35 is: 477,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,370.53 : 552,553.97 = 318,297.35 : x
  2. Step 2: Convert to fraction form
    368,370.53/552,553.97 = 318,297.35/x
  3. Step 3: Cross multiply
    368,370.53x = 552,553.97 × 318,297.35
  4. Step 4: Simplify right side
    368,370.53x = 175,876,461,620.21
  5. Step 5: Solve for x
    x = 175,876,461,620.21/368,370.53
  6. Step 6: Final answer
    x = 477,444.44

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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.