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Finding the Fourth Proportional to 555,697.68, 766,580.94 and 351,404.34

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Solution

The fourth proportional to 555,697.68, 766,580.94 and 351,404.34 is: 484,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,697.68 : 766,580.94 = 351,404.34 : x
  2. Step 2: Convert to fraction form
    555,697.68/766,580.94 = 351,404.34/x
  3. Step 3: Cross multiply
    555,697.68x = 766,580.94 × 351,404.34
  4. Step 4: Simplify right side
    555,697.68x = 269,379,869,277.28
  5. Step 5: Solve for x
    x = 269,379,869,277.28/555,697.68
  6. Step 6: Final answer
    x = 484,759.75

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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.