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Finding the Fourth Proportional to 379,963.87, 524,223.48 and 224,923.39

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Solution

The fourth proportional to 379,963.87, 524,223.48 and 224,923.39 is: 310,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,963.87 : 524,223.48 = 224,923.39 : x
  2. Step 2: Convert to fraction form
    379,963.87/524,223.48 = 224,923.39/x
  3. Step 3: Cross multiply
    379,963.87x = 524,223.48 × 224,923.39
  4. Step 4: Simplify right side
    379,963.87x = 117,910,122,239.20
  5. Step 5: Solve for x
    x = 117,910,122,239.20/379,963.87
  6. Step 6: Final answer
    x = 310,319.30

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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.