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Finding the Fourth Proportional to 544,560.36, 751,383 and 318,162.12

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Solution

The fourth proportional to 544,560.36, 751,383 and 318,162.12 is: 438,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,560.36 : 751,383 = 318,162.12 : x
  2. Step 2: Convert to fraction form
    544,560.36/751,383 = 318,162.12/x
  3. Step 3: Cross multiply
    544,560.36x = 751,383 × 318,162.12
  4. Step 4: Simplify right side
    544,560.36x = 239,061,608,211.96
  5. Step 5: Solve for x
    x = 239,061,608,211.96/544,560.36
  6. Step 6: Final answer
    x = 438,999.28

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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.