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Finding the Fourth Proportional to 1,329,633.02, 1,834,898.49 and 726,021.02

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Solution

The fourth proportional to 1,329,633.02, 1,834,898.49 and 726,021.02 is: 1,001,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,633.02 : 1,834,898.49 = 726,021.02 : x
  2. Step 2: Convert to fraction form
    1,329,633.02/1,834,898.49 = 726,021.02/x
  3. Step 3: Cross multiply
    1,329,633.02x = 1,834,898.49 × 726,021.02
  4. Step 4: Simplify right side
    1,329,633.02x = 1,332,174,873,306.26
  5. Step 5: Solve for x
    x = 1,332,174,873,306.26/1,329,633.02
  6. Step 6: Final answer
    x = 1,001,911.70

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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.