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Finding the Fourth Proportional to 705,759.27, 973,933.76 and 383,471.67

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Solution

The fourth proportional to 705,759.27, 973,933.76 and 383,471.67 is: 529,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,759.27 : 973,933.76 = 383,471.67 : x
  2. Step 2: Convert to fraction form
    705,759.27/973,933.76 = 383,471.67/x
  3. Step 3: Cross multiply
    705,759.27x = 973,933.76 × 383,471.67
  4. Step 4: Simplify right side
    705,759.27x = 373,476,005,416.58
  5. Step 5: Solve for x
    x = 373,476,005,416.58/705,759.27
  6. Step 6: Final answer
    x = 529,183.28

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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.