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Finding the Fourth Proportional to 316,893.78, 437,313.36 and 182,757.78

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Solution

The fourth proportional to 316,893.78, 437,313.36 and 182,757.78 is: 252,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,893.78 : 437,313.36 = 182,757.78 : x
  2. Step 2: Convert to fraction form
    316,893.78/437,313.36 = 182,757.78/x
  3. Step 3: Cross multiply
    316,893.78x = 437,313.36 × 182,757.78
  4. Step 4: Simplify right side
    316,893.78x = 79,922,418,837.94
  5. Step 5: Solve for x
    x = 79,922,418,837.94/316,893.78
  6. Step 6: Final answer
    x = 252,205.70

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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.