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Finding the Fourth Proportional to 351,677.04, 485,314.79 and 190,532.10

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Solution

The fourth proportional to 351,677.04, 485,314.79 and 190,532.10 is: 262,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,677.04 : 485,314.79 = 190,532.10 : x
  2. Step 2: Convert to fraction form
    351,677.04/485,314.79 = 190,532.10/x
  3. Step 3: Cross multiply
    351,677.04x = 485,314.79 × 190,532.10
  4. Step 4: Simplify right side
    351,677.04x = 92,468,042,720.52
  5. Step 5: Solve for x
    x = 92,468,042,720.52/351,677.04
  6. Step 6: Final answer
    x = 262,934.55

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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.