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Finding the Fourth Proportional to 416,635.62, 574,957.62 and 225,649.26

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Solution

The fourth proportional to 416,635.62, 574,957.62 and 225,649.26 is: 311,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,635.62 : 574,957.62 = 225,649.26 : x
  2. Step 2: Convert to fraction form
    416,635.62/574,957.62 = 225,649.26/x
  3. Step 3: Cross multiply
    416,635.62x = 574,957.62 × 225,649.26
  4. Step 4: Simplify right side
    416,635.62x = 129,738,761,484.36
  5. Step 5: Solve for x
    x = 129,738,761,484.36/416,635.62
  6. Step 6: Final answer
    x = 311,396.23

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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.