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Finding the Fourth Proportional to 2,946,413, 4,419,606.90 and 816,491

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Solution

The fourth proportional to 2,946,413, 4,419,606.90 and 816,491 is: 1,224,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,413 : 4,419,606.90 = 816,491 : x
  2. Step 2: Convert to fraction form
    2,946,413/4,419,606.90 = 816,491/x
  3. Step 3: Cross multiply
    2,946,413x = 4,419,606.90 × 816,491
  4. Step 4: Simplify right side
    2,946,413x = 3,608,569,257,387.90
  5. Step 5: Solve for x
    x = 3,608,569,257,387.90/2,946,413
  6. Step 6: Final answer
    x = 1,224,733.01

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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.