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Finding the Fourth Proportional to 603,151.20, 903,414.60 and 485,053.20

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Solution

The fourth proportional to 603,151.20, 903,414.60 and 485,053.20 is: 726,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,151.20 : 903,414.60 = 485,053.20 : x
  2. Step 2: Convert to fraction form
    603,151.20/903,414.60 = 485,053.20/x
  3. Step 3: Cross multiply
    603,151.20x = 903,414.60 × 485,053.20
  4. Step 4: Simplify right side
    603,151.20x = 438,204,142,656.72
  5. Step 5: Solve for x
    x = 438,204,142,656.72/603,151.20
  6. Step 6: Final answer
    x = 726,524.53

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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.