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Finding the Fourth Proportional to 283,910.84, 425,866.20 and 73,548.76

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Solution

The fourth proportional to 283,910.84, 425,866.20 and 73,548.76 is: 110,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,910.84 : 425,866.20 = 73,548.76 : x
  2. Step 2: Convert to fraction form
    283,910.84/425,866.20 = 73,548.76/x
  3. Step 3: Cross multiply
    283,910.84x = 425,866.20 × 73,548.76
  4. Step 4: Simplify right side
    283,910.84x = 31,321,930,935.91
  5. Step 5: Solve for x
    x = 31,321,930,935.91/283,910.84
  6. Step 6: Final answer
    x = 110,323.12

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1.5x scale

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.