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Finding the Fourth Proportional to 351,213.66, 484,675.71 and 190,069.88

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Solution

The fourth proportional to 351,213.66, 484,675.71 and 190,069.88 is: 262,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,213.66 : 484,675.71 = 190,069.88 : x
  2. Step 2: Convert to fraction form
    351,213.66/484,675.71 = 190,069.88/x
  3. Step 3: Cross multiply
    351,213.66x = 484,675.71 × 190,069.88
  4. Step 4: Simplify right side
    351,213.66x = 92,122,254,038.61
  5. Step 5: Solve for x
    x = 92,122,254,038.61/351,213.66
  6. Step 6: Final answer
    x = 262,296.90

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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.