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Finding the Fourth Proportional to 404,661.92, 558,464.37 and 223,408.76

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Solution

The fourth proportional to 404,661.92, 558,464.37 and 223,408.76 is: 308,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,661.92 : 558,464.37 = 223,408.76 : x
  2. Step 2: Convert to fraction form
    404,661.92/558,464.37 = 223,408.76/x
  3. Step 3: Cross multiply
    404,661.92x = 558,464.37 × 223,408.76
  4. Step 4: Simplify right side
    404,661.92x = 124,765,832,405.88
  5. Step 5: Solve for x
    x = 124,765,832,405.88/404,661.92
  6. Step 6: Final answer
    x = 308,321.16

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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.