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Finding the Fourth Proportional to 351,211.88, 484,673.25 and 190,068.10

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Solution

The fourth proportional to 351,211.88, 484,673.25 and 190,068.10 is: 262,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,211.88 : 484,673.25 = 190,068.10 : x
  2. Step 2: Convert to fraction form
    351,211.88/484,673.25 = 190,068.10/x
  3. Step 3: Cross multiply
    351,211.88x = 484,673.25 × 190,068.10
  4. Step 4: Simplify right side
    351,211.88x = 92,120,923,748.33
  5. Step 5: Solve for x
    x = 92,120,923,748.33/351,211.88
  6. Step 6: Final answer
    x = 262,294.44

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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.