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Finding the Fourth Proportional to 705,759.53, 973,934.13 and 383,471.94

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Solution

The fourth proportional to 705,759.53, 973,934.13 and 383,471.94 is: 529,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,759.53 : 973,934.13 = 383,471.94 : x
  2. Step 2: Convert to fraction form
    705,759.53/973,934.13 = 383,471.94/x
  3. Step 3: Cross multiply
    705,759.53x = 973,934.13 × 383,471.94
  4. Step 4: Simplify right side
    705,759.53x = 373,476,407,718.18
  5. Step 5: Solve for x
    x = 373,476,407,718.18/705,759.53
  6. Step 6: Final answer
    x = 529,183.65

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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.