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Finding the Fourth Proportional to 629,868.80, 944,803.20 and 606,249.20

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Solution

The fourth proportional to 629,868.80, 944,803.20 and 606,249.20 is: 909,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,868.80 : 944,803.20 = 606,249.20 : x
  2. Step 2: Convert to fraction form
    629,868.80/944,803.20 = 606,249.20/x
  3. Step 3: Cross multiply
    629,868.80x = 944,803.20 × 606,249.20
  4. Step 4: Simplify right side
    629,868.80x = 572,786,184,157.44
  5. Step 5: Solve for x
    x = 572,786,184,157.44/629,868.80
  6. Step 6: Final answer
    x = 909,373.80

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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.