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Finding the Fourth Proportional to 284,467.76, 426,763.98 and 106,974.71

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Solution

The fourth proportional to 284,467.76, 426,763.98 and 106,974.71 is: 160,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,467.76 : 426,763.98 = 106,974.71 : x
  2. Step 2: Convert to fraction form
    284,467.76/426,763.98 = 106,974.71/x
  3. Step 3: Cross multiply
    284,467.76x = 426,763.98 × 106,974.71
  4. Step 4: Simplify right side
    284,467.76x = 45,652,952,998.95
  5. Step 5: Solve for x
    x = 45,652,952,998.95/284,467.76
  6. Step 6: Final answer
    x = 160,485.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.