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Finding the Fourth Proportional to 705,608.46, 973,747.97 and 383,323.63

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Solution

The fourth proportional to 705,608.46, 973,747.97 and 383,323.63 is: 528,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,608.46 : 973,747.97 = 383,323.63 : x
  2. Step 2: Convert to fraction form
    705,608.46/973,747.97 = 383,323.63/x
  3. Step 3: Cross multiply
    705,608.46x = 973,747.97 × 383,323.63
  4. Step 4: Simplify right side
    705,608.46x = 373,260,606,565.53
  5. Step 5: Solve for x
    x = 373,260,606,565.53/705,608.46
  6. Step 6: Final answer
    x = 528,991.12

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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.