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Finding the Fourth Proportional to 706,237.91, 974,619.40 and 383,949.24

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Solution

The fourth proportional to 706,237.91, 974,619.40 and 383,949.24 is: 529,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,237.91 : 974,619.40 = 383,949.24 : x
  2. Step 2: Convert to fraction form
    706,237.91/974,619.40 = 383,949.24/x
  3. Step 3: Cross multiply
    706,237.91x = 974,619.40 × 383,949.24
  4. Step 4: Simplify right side
    706,237.91x = 374,204,377,919.26
  5. Step 5: Solve for x
    x = 374,204,377,919.26/706,237.91
  6. Step 6: Final answer
    x = 529,855.98

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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.