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Finding the Fourth Proportional to 416,236.78, 574,410.80 and 225,254.14

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Solution

The fourth proportional to 416,236.78, 574,410.80 and 225,254.14 is: 310,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,236.78 : 574,410.80 = 225,254.14 : x
  2. Step 2: Convert to fraction form
    416,236.78/574,410.80 = 225,254.14/x
  3. Step 3: Cross multiply
    416,236.78x = 574,410.80 × 225,254.14
  4. Step 4: Simplify right side
    416,236.78x = 129,388,410,760.71
  5. Step 5: Solve for x
    x = 129,388,410,760.71/416,236.78
  6. Step 6: Final answer
    x = 310,852.90

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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.