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Finding the Fourth Proportional to 505,491,928.05, 758,237,892.08 and 505,491,928.05

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Solution

The fourth proportional to 505,491,928.05, 758,237,892.08 and 505,491,928.05 is: 758,237,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,491,928.05 : 758,237,892.08 = 505,491,928.05 : x
  2. Step 2: Convert to fraction form
    505,491,928.05/758,237,892.08 = 505,491,928.05/x
  3. Step 3: Cross multiply
    505,491,928.05x = 758,237,892.08 × 505,491,928.05
  4. Step 4: Simplify right side
    505,491,928.05x = 383,283,133,985,559,616
  5. Step 5: Solve for x
    x = 383,283,133,985,559,616/505,491,928.05
  6. Step 6: Final answer
    x = 758,237,892.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.