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Finding the Fourth Proportional to 422,550.07, 583,121.13 and 228,957.73

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Solution

The fourth proportional to 422,550.07, 583,121.13 and 228,957.73 is: 315,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,550.07 : 583,121.13 = 228,957.73 : x
  2. Step 2: Convert to fraction form
    422,550.07/583,121.13 = 228,957.73/x
  3. Step 3: Cross multiply
    422,550.07x = 583,121.13 × 228,957.73
  4. Step 4: Simplify right side
    422,550.07x = 133,510,090,239.84
  5. Step 5: Solve for x
    x = 133,510,090,239.84/422,550.07
  6. Step 6: Final answer
    x = 315,962.77

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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.