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Finding the Fourth Proportional to 679,244.62, 937,367.28 and 373,349.29

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Solution

The fourth proportional to 679,244.62, 937,367.28 and 373,349.29 is: 515,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,244.62 : 937,367.28 = 373,349.29 : x
  2. Step 2: Convert to fraction form
    679,244.62/937,367.28 = 373,349.29/x
  3. Step 3: Cross multiply
    679,244.62x = 937,367.28 × 373,349.29
  4. Step 4: Simplify right side
    679,244.62x = 349,965,401,903.65
  5. Step 5: Solve for x
    x = 349,965,401,903.65/679,244.62
  6. Step 6: Final answer
    x = 515,227.35

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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.