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Finding the Fourth Proportional to 422,958.44, 583,793.70 and 253,325.16

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Solution

The fourth proportional to 422,958.44, 583,793.70 and 253,325.16 is: 349,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,958.44 : 583,793.70 = 253,325.16 : x
  2. Step 2: Convert to fraction form
    422,958.44/583,793.70 = 253,325.16/x
  3. Step 3: Cross multiply
    422,958.44x = 583,793.70 × 253,325.16
  4. Step 4: Simplify right side
    422,958.44x = 147,889,632,459.49
  5. Step 5: Solve for x
    x = 147,889,632,459.49/422,958.44
  6. Step 6: Final answer
    x = 349,655.23

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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.