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Finding the Fourth Proportional to 705,972.27, 974,249.27 and 383,682.39

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Solution

The fourth proportional to 705,972.27, 974,249.27 and 383,682.39 is: 529,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,972.27 : 974,249.27 = 383,682.39 : x
  2. Step 2: Convert to fraction form
    705,972.27/974,249.27 = 383,682.39/x
  3. Step 3: Cross multiply
    705,972.27x = 974,249.27 × 383,682.39
  4. Step 4: Simplify right side
    705,972.27x = 373,802,286,450.94
  5. Step 5: Solve for x
    x = 373,802,286,450.94/705,972.27
  6. Step 6: Final answer
    x = 529,485.79

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Double scale
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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.