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Finding the Fourth Proportional to 283,841.28, 425,904.48 and 189,135.36

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Solution

The fourth proportional to 283,841.28, 425,904.48 and 189,135.36 is: 283,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,841.28 : 425,904.48 = 189,135.36 : x
  2. Step 2: Convert to fraction form
    283,841.28/425,904.48 = 189,135.36/x
  3. Step 3: Cross multiply
    283,841.28x = 425,904.48 × 189,135.36
  4. Step 4: Simplify right side
    283,841.28x = 80,553,597,150.41
  5. Step 5: Solve for x
    x = 80,553,597,150.41/283,841.28
  6. Step 6: Final answer
    x = 283,798.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.