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Finding the Fourth Proportional to 719,633.03, 1,073,641.97 and 693,466.79

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Solution

The fourth proportional to 719,633.03, 1,073,641.97 and 693,466.79 is: 1,034,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,633.03 : 1,073,641.97 = 693,466.79 : x
  2. Step 2: Convert to fraction form
    719,633.03/1,073,641.97 = 693,466.79/x
  3. Step 3: Cross multiply
    719,633.03x = 1,073,641.97 × 693,466.79
  4. Step 4: Simplify right side
    719,633.03x = 744,535,046,910.63
  5. Step 5: Solve for x
    x = 744,535,046,910.63/719,633.03
  6. Step 6: Final answer
    x = 1,034,603.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.