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Finding the Fourth Proportional to 404,755.44, 558,563.28 and 223,467.72

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Solution

The fourth proportional to 404,755.44, 558,563.28 and 223,467.72 is: 308,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,755.44 : 558,563.28 = 223,467.72 : x
  2. Step 2: Convert to fraction form
    404,755.44/558,563.28 = 223,467.72/x
  3. Step 3: Cross multiply
    404,755.44x = 558,563.28 × 223,467.72
  4. Step 4: Simplify right side
    404,755.44x = 124,820,862,657.32
  5. Step 5: Solve for x
    x = 124,820,862,657.32/404,755.44
  6. Step 6: Final answer
    x = 308,385.88

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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.