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Finding the Fourth Proportional to 679,244.37, 937,366.92 and 373,349.03

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Solution

The fourth proportional to 679,244.37, 937,366.92 and 373,349.03 is: 515,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,244.37 : 937,366.92 = 373,349.03 : x
  2. Step 2: Convert to fraction form
    679,244.37/937,366.92 = 373,349.03/x
  3. Step 3: Cross multiply
    679,244.37x = 937,366.92 × 373,349.03
  4. Step 4: Simplify right side
    679,244.37x = 349,965,025,649.25
  5. Step 5: Solve for x
    x = 349,965,025,649.25/679,244.37
  6. Step 6: Final answer
    x = 515,226.98

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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.