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Finding the Fourth Proportional to 629,845.80, 944,768.70 and 606,226.20

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Solution

The fourth proportional to 629,845.80, 944,768.70 and 606,226.20 is: 909,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,845.80 : 944,768.70 = 606,226.20 : x
  2. Step 2: Convert to fraction form
    629,845.80/944,768.70 = 606,226.20/x
  3. Step 3: Cross multiply
    629,845.80x = 944,768.70 × 606,226.20
  4. Step 4: Simplify right side
    629,845.80x = 572,743,538,879.94
  5. Step 5: Solve for x
    x = 572,743,538,879.94/629,845.80
  6. Step 6: Final answer
    x = 909,339.30

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Half scale
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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.