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Finding the Fourth Proportional to 552,890,039.68, 762,983,720.42 and 301,994,591.52

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Solution

The fourth proportional to 552,890,039.68, 762,983,720.42 and 301,994,591.52 is: 416,750,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,890,039.68 : 762,983,720.42 = 301,994,591.52 : x
  2. Step 2: Convert to fraction form
    552,890,039.68/762,983,720.42 = 301,994,591.52/x
  3. Step 3: Cross multiply
    552,890,039.68x = 762,983,720.42 × 301,994,591.52
  4. Step 4: Simplify right side
    552,890,039.68x = 230,416,956,984,647,744
  5. Step 5: Solve for x
    x = 230,416,956,984,647,744/552,890,039.68
  6. Step 6: Final answer
    x = 416,750,059.59

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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.