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Finding the Fourth Proportional to 3,072,605.70, 4,608,908.55 and 3,072,605.70

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Solution

The fourth proportional to 3,072,605.70, 4,608,908.55 and 3,072,605.70 is: 4,608,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,605.70 : 4,608,908.55 = 3,072,605.70 : x
  2. Step 2: Convert to fraction form
    3,072,605.70/4,608,908.55 = 3,072,605.70/x
  3. Step 3: Cross multiply
    3,072,605.70x = 4,608,908.55 × 3,072,605.70
  4. Step 4: Simplify right side
    3,072,605.70x = 14,161,358,681,508.73
  5. Step 5: Solve for x
    x = 14,161,358,681,508.73/3,072,605.70
  6. Step 6: Final answer
    x = 4,608,908.55

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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.