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Finding the Fourth Proportional to 605,667,007.65, 908,500,511.48 and 605,667,007.65

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Solution

The fourth proportional to 605,667,007.65, 908,500,511.48 and 605,667,007.65 is: 908,500,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,667,007.65 : 908,500,511.48 = 605,667,007.65 : x
  2. Step 2: Convert to fraction form
    605,667,007.65/908,500,511.48 = 605,667,007.65/x
  3. Step 3: Cross multiply
    605,667,007.65x = 908,500,511.48 × 605,667,007.65
  4. Step 4: Simplify right side
    605,667,007.65x = 550,248,786,233,557,760
  5. Step 5: Solve for x
    x = 550,248,786,233,557,760/605,667,007.65
  6. Step 6: Final answer
    x = 908,500,511.48

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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.