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Finding the Fourth Proportional to 609,863.10, 914,794.65 and 277,439.10

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Solution

The fourth proportional to 609,863.10, 914,794.65 and 277,439.10 is: 416,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,863.10 : 914,794.65 = 277,439.10 : x
  2. Step 2: Convert to fraction form
    609,863.10/914,794.65 = 277,439.10/x
  3. Step 3: Cross multiply
    609,863.10x = 914,794.65 × 277,439.10
  4. Step 4: Simplify right side
    609,863.10x = 253,799,804,380.82
  5. Step 5: Solve for x
    x = 253,799,804,380.82/609,863.10
  6. Step 6: Final answer
    x = 416,158.65

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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.