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Finding the Fourth Proportional to 1,452,519, 2,004,476.22 and 816,615

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Solution

The fourth proportional to 1,452,519, 2,004,476.22 and 816,615 is: 1,126,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,519 : 2,004,476.22 = 816,615 : x
  2. Step 2: Convert to fraction form
    1,452,519/2,004,476.22 = 816,615/x
  3. Step 3: Cross multiply
    1,452,519x = 2,004,476.22 × 816,615
  4. Step 4: Simplify right side
    1,452,519x = 1,636,885,348,395.30
  5. Step 5: Solve for x
    x = 1,636,885,348,395.30/1,452,519
  6. Step 6: Final answer
    x = 1,126,928.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.