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Finding the Fourth Proportional to 416,149.90, 574,288.84 and 234,869.48

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Solution

The fourth proportional to 416,149.90, 574,288.84 and 234,869.48 is: 324,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,149.90 : 574,288.84 = 234,869.48 : x
  2. Step 2: Convert to fraction form
    416,149.90/574,288.84 = 234,869.48/x
  3. Step 3: Cross multiply
    416,149.90x = 574,288.84 × 234,869.48
  4. Step 4: Simplify right side
    416,149.90x = 134,882,921,220.60
  5. Step 5: Solve for x
    x = 134,882,921,220.60/416,149.90
  6. Step 6: Final answer
    x = 324,121.00

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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.