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Finding the Fourth Proportional to 504,018.20, 756,027.30 and 454,251.80

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Solution

The fourth proportional to 504,018.20, 756,027.30 and 454,251.80 is: 681,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,018.20 : 756,027.30 = 454,251.80 : x
  2. Step 2: Convert to fraction form
    504,018.20/756,027.30 = 454,251.80/x
  3. Step 3: Cross multiply
    504,018.20x = 756,027.30 × 454,251.80
  4. Step 4: Simplify right side
    504,018.20x = 343,426,761,874.14
  5. Step 5: Solve for x
    x = 343,426,761,874.14/504,018.20
  6. Step 6: Final answer
    x = 681,377.70

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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.