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Finding the Fourth Proportional to 679,249.22, 937,373.62 and 373,353.88

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Solution

The fourth proportional to 679,249.22, 937,373.62 and 373,353.88 is: 515,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,249.22 : 937,373.62 = 373,353.88 : x
  2. Step 2: Convert to fraction form
    679,249.22/937,373.62 = 373,353.88/x
  3. Step 3: Cross multiply
    679,249.22x = 937,373.62 × 373,353.88
  4. Step 4: Simplify right side
    679,249.22x = 349,972,078,036.65
  5. Step 5: Solve for x
    x = 349,972,078,036.65/679,249.22
  6. Step 6: Final answer
    x = 515,233.68

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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.