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Finding the Fourth Proportional to 422,549.07, 583,119.75 and 228,956.73

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Solution

The fourth proportional to 422,549.07, 583,119.75 and 228,956.73 is: 315,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,549.07 : 583,119.75 = 228,956.73 : x
  2. Step 2: Convert to fraction form
    422,549.07/583,119.75 = 228,956.73/x
  3. Step 3: Cross multiply
    422,549.07x = 583,119.75 × 228,956.73
  4. Step 4: Simplify right side
    422,549.07x = 133,509,188,780.75
  5. Step 5: Solve for x
    x = 133,509,188,780.75/422,549.07
  6. Step 6: Final answer
    x = 315,961.38

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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.