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Finding the Fourth Proportional to 422,595.32, 583,183.32 and 229,003.45

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Solution

The fourth proportional to 422,595.32, 583,183.32 and 229,003.45 is: 316,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,595.32 : 583,183.32 = 229,003.45 : x
  2. Step 2: Convert to fraction form
    422,595.32/583,183.32 = 229,003.45/x
  3. Step 3: Cross multiply
    422,595.32x = 583,183.32 × 229,003.45
  4. Step 4: Simplify right side
    422,595.32x = 133,550,990,804.50
  5. Step 5: Solve for x
    x = 133,550,990,804.50/422,595.32
  6. Step 6: Final answer
    x = 316,025.73

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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.