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Finding the Fourth Proportional to 416,267.20, 574,448.51 and 234,980.70

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Solution

The fourth proportional to 416,267.20, 574,448.51 and 234,980.70 is: 324,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,267.20 : 574,448.51 = 234,980.70 : x
  2. Step 2: Convert to fraction form
    416,267.20/574,448.51 = 234,980.70/x
  3. Step 3: Cross multiply
    416,267.20x = 574,448.51 × 234,980.70
  4. Step 4: Simplify right side
    416,267.20x = 134,984,310,105.26
  5. Step 5: Solve for x
    x = 134,984,310,105.26/416,267.20
  6. Step 6: Final answer
    x = 324,273.23

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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.