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Finding the Fourth Proportional to 1,182,301.82, 1,631,697.06 and 723,719.44

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Solution

The fourth proportional to 1,182,301.82, 1,631,697.06 and 723,719.44 is: 998,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,301.82 : 1,631,697.06 = 723,719.44 : x
  2. Step 2: Convert to fraction form
    1,182,301.82/1,631,697.06 = 723,719.44/x
  3. Step 3: Cross multiply
    1,182,301.82x = 1,631,697.06 × 723,719.44
  4. Step 4: Simplify right side
    1,182,301.82x = 1,180,890,883,195.49
  5. Step 5: Solve for x
    x = 1,180,890,883,195.49/1,182,301.82
  6. Step 6: Final answer
    x = 998,806.62

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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.