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Finding the Fourth Proportional to 351,632.54, 485,252.17 and 190,491.55

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Solution

The fourth proportional to 351,632.54, 485,252.17 and 190,491.55 is: 262,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,632.54 : 485,252.17 = 190,491.55 : x
  2. Step 2: Convert to fraction form
    351,632.54/485,252.17 = 190,491.55/x
  3. Step 3: Cross multiply
    351,632.54x = 485,252.17 × 190,491.55
  4. Step 4: Simplify right side
    351,632.54x = 92,436,436,314.80
  5. Step 5: Solve for x
    x = 92,436,436,314.80/351,632.54
  6. Step 6: Final answer
    x = 262,877.93

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1.5x scale

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.