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Finding the Fourth Proportional to 404,464.32, 558,156.36 and 223,183.86

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Solution

The fourth proportional to 404,464.32, 558,156.36 and 223,183.86 is: 307,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,464.32 : 558,156.36 = 223,183.86 : x
  2. Step 2: Convert to fraction form
    404,464.32/558,156.36 = 223,183.86/x
  3. Step 3: Cross multiply
    404,464.32x = 558,156.36 × 223,183.86
  4. Step 4: Simplify right side
    404,464.32x = 124,571,490,908.35
  5. Step 5: Solve for x
    x = 124,571,490,908.35/404,464.32
  6. Step 6: Final answer
    x = 307,991.30

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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.