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Finding the Fourth Proportional to 504,034.20, 756,116.10 and 251,443.80

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Solution

The fourth proportional to 504,034.20, 756,116.10 and 251,443.80 is: 377,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,034.20 : 756,116.10 = 251,443.80 : x
  2. Step 2: Convert to fraction form
    504,034.20/756,116.10 = 251,443.80/x
  3. Step 3: Cross multiply
    504,034.20x = 756,116.10 × 251,443.80
  4. Step 4: Simplify right side
    504,034.20x = 190,120,705,425.18
  5. Step 5: Solve for x
    x = 190,120,705,425.18/504,034.20
  6. Step 6: Final answer
    x = 377,198.03

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Double scale
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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.