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Finding the Fourth Proportional to 556,099.80, 834,149.70 and 377,640.60

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Solution

The fourth proportional to 556,099.80, 834,149.70 and 377,640.60 is: 566,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,099.80 : 834,149.70 = 377,640.60 : x
  2. Step 2: Convert to fraction form
    556,099.80/834,149.70 = 377,640.60/x
  3. Step 3: Cross multiply
    556,099.80x = 834,149.70 × 377,640.60
  4. Step 4: Simplify right side
    556,099.80x = 315,008,793,197.82
  5. Step 5: Solve for x
    x = 315,008,793,197.82/556,099.80
  6. Step 6: Final answer
    x = 566,460.90

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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.