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Finding the Fourth Proportional to 305,548.20, 458,322.30 and 226,816.20

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Solution

The fourth proportional to 305,548.20, 458,322.30 and 226,816.20 is: 340,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,548.20 : 458,322.30 = 226,816.20 : x
  2. Step 2: Convert to fraction form
    305,548.20/458,322.30 = 226,816.20/x
  3. Step 3: Cross multiply
    305,548.20x = 458,322.30 × 226,816.20
  4. Step 4: Simplify right side
    305,548.20x = 103,954,922,461.26
  5. Step 5: Solve for x
    x = 103,954,922,461.26/305,548.20
  6. Step 6: Final answer
    x = 340,224.30

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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.