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Finding the Fourth Proportional to 1,332,655.04, 1,839,107.44 and 729,043.04

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Solution

The fourth proportional to 1,332,655.04, 1,839,107.44 and 729,043.04 is: 1,006,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,655.04 : 1,839,107.44 = 729,043.04 : x
  2. Step 2: Convert to fraction form
    1,332,655.04/1,839,107.44 = 729,043.04/x
  3. Step 3: Cross multiply
    1,332,655.04x = 1,839,107.44 × 729,043.04
  4. Step 4: Simplify right side
    1,332,655.04x = 1,340,788,478,944.22
  5. Step 5: Solve for x
    x = 1,340,788,478,944.22/1,332,655.04
  6. Step 6: Final answer
    x = 1,006,103.18

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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.