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Finding the Fourth Proportional to 422,552.07, 583,123.89 and 228,959.73

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Solution

The fourth proportional to 422,552.07, 583,123.89 and 228,959.73 is: 315,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,552.07 : 583,123.89 = 228,959.73 : x
  2. Step 2: Convert to fraction form
    422,552.07/583,123.89 = 228,959.73/x
  3. Step 3: Cross multiply
    422,552.07x = 583,123.89 × 228,959.73
  4. Step 4: Simplify right side
    422,552.07x = 133,511,888,410.95
  5. Step 5: Solve for x
    x = 133,511,888,410.95/422,552.07
  6. Step 6: Final answer
    x = 315,965.53

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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.