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Finding the Fourth Proportional to 367,029.98, 550,486.03 and 100,728.30

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Solution

The fourth proportional to 367,029.98, 550,486.03 and 100,728.30 is: 151,076.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,029.98 : 550,486.03 = 100,728.30 : x
  2. Step 2: Convert to fraction form
    367,029.98/550,486.03 = 100,728.30/x
  3. Step 3: Cross multiply
    367,029.98x = 550,486.03 × 100,728.30
  4. Step 4: Simplify right side
    367,029.98x = 55,449,521,975.65
  5. Step 5: Solve for x
    x = 55,449,521,975.65/367,029.98
  6. Step 6: Final answer
    x = 151,076.27

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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.