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Finding the Fourth Proportional to 454,861.70, 682,292.55 and 277,714.70

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Solution

The fourth proportional to 454,861.70, 682,292.55 and 277,714.70 is: 416,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,861.70 : 682,292.55 = 277,714.70 : x
  2. Step 2: Convert to fraction form
    454,861.70/682,292.55 = 277,714.70/x
  3. Step 3: Cross multiply
    454,861.70x = 682,292.55 × 277,714.70
  4. Step 4: Simplify right side
    454,861.70x = 189,482,670,835.49
  5. Step 5: Solve for x
    x = 189,482,670,835.49/454,861.70
  6. Step 6: Final answer
    x = 416,572.05

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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.