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Finding the Fourth Proportional to 285,444.88, 428,216.56 and 95,923.44

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Solution

The fourth proportional to 285,444.88, 428,216.56 and 95,923.44 is: 143,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,444.88 : 428,216.56 = 95,923.44 : x
  2. Step 2: Convert to fraction form
    285,444.88/428,216.56 = 95,923.44/x
  3. Step 3: Cross multiply
    285,444.88x = 428,216.56 × 95,923.44
  4. Step 4: Simplify right side
    285,444.88x = 41,076,005,260.36
  5. Step 5: Solve for x
    x = 41,076,005,260.36/285,444.88
  6. Step 6: Final answer
    x = 143,901.71

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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.