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Finding the Fourth Proportional to 422,958.40, 583,628.80 and 241,682.08

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Solution

The fourth proportional to 422,958.40, 583,628.80 and 241,682.08 is: 333,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,958.40 : 583,628.80 = 241,682.08 : x
  2. Step 2: Convert to fraction form
    422,958.40/583,628.80 = 241,682.08/x
  3. Step 3: Cross multiply
    422,958.40x = 583,628.80 × 241,682.08
  4. Step 4: Simplify right side
    422,958.40x = 141,052,622,331.90
  5. Step 5: Solve for x
    x = 141,052,622,331.90/422,958.40
  6. Step 6: Final answer
    x = 333,490.53

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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.