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Finding the Fourth Proportional to 705,453.44, 973,532.82 and 383,169.84

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Solution

The fourth proportional to 705,453.44, 973,532.82 and 383,169.84 is: 528,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,453.44 : 973,532.82 = 383,169.84 : x
  2. Step 2: Convert to fraction form
    705,453.44/973,532.82 = 383,169.84/x
  3. Step 3: Cross multiply
    705,453.44x = 973,532.82 × 383,169.84
  4. Step 4: Simplify right side
    705,453.44x = 373,028,414,874.15
  5. Step 5: Solve for x
    x = 373,028,414,874.15/705,453.44
  6. Step 6: Final answer
    x = 528,778.22

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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.