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Finding the Fourth Proportional to 369,640.53, 510,103.58 and 199,874.25

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Solution

The fourth proportional to 369,640.53, 510,103.58 and 199,874.25 is: 275,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,640.53 : 510,103.58 = 199,874.25 : x
  2. Step 2: Convert to fraction form
    369,640.53/510,103.58 = 199,874.25/x
  3. Step 3: Cross multiply
    369,640.53x = 510,103.58 × 199,874.25
  4. Step 4: Simplify right side
    369,640.53x = 101,956,569,475.44
  5. Step 5: Solve for x
    x = 101,956,569,475.44/369,640.53
  6. Step 6: Final answer
    x = 275,826.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.