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Finding the Fourth Proportional to 504,015.20, 756,087.60 and 251,424.80

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Solution

The fourth proportional to 504,015.20, 756,087.60 and 251,424.80 is: 377,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,015.20 : 756,087.60 = 251,424.80 : x
  2. Step 2: Convert to fraction form
    504,015.20/756,087.60 = 251,424.80/x
  3. Step 3: Cross multiply
    504,015.20x = 756,087.60 × 251,424.80
  4. Step 4: Simplify right side
    504,015.20x = 190,099,173,612.48
  5. Step 5: Solve for x
    x = 190,099,173,612.48/504,015.20
  6. Step 6: Final answer
    x = 377,169.53

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Similar ratio
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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.