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Finding the Fourth Proportional to 1,813,975.07, 2,721,356.22 and 551,769.89

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Solution

The fourth proportional to 1,813,975.07, 2,721,356.22 and 551,769.89 is: 827,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,975.07 : 2,721,356.22 = 551,769.89 : x
  2. Step 2: Convert to fraction form
    1,813,975.07/2,721,356.22 = 551,769.89/x
  3. Step 3: Cross multiply
    1,813,975.07x = 2,721,356.22 × 551,769.89
  4. Step 4: Simplify right side
    1,813,975.07x = 1,501,562,410,622.57
  5. Step 5: Solve for x
    x = 1,501,562,410,622.57/1,813,975.07
  6. Step 6: Final answer
    x = 827,774.56

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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.