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Finding the Fourth Proportional to 422,659.77, 634,025.76 and 233,250.89

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Solution

The fourth proportional to 422,659.77, 634,025.76 and 233,250.89 is: 349,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,659.77 : 634,025.76 = 233,250.89 : x
  2. Step 2: Convert to fraction form
    422,659.77/634,025.76 = 233,250.89/x
  3. Step 3: Cross multiply
    422,659.77x = 634,025.76 × 233,250.89
  4. Step 4: Simplify right side
    422,659.77x = 147,887,069,632.80
  5. Step 5: Solve for x
    x = 147,887,069,632.80/422,659.77
  6. Step 6: Final answer
    x = 349,896.25

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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.