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Finding the Fourth Proportional to 618,301.80, 927,744.30 and 460,837.80

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Solution

The fourth proportional to 618,301.80, 927,744.30 and 460,837.80 is: 691,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,301.80 : 927,744.30 = 460,837.80 : x
  2. Step 2: Convert to fraction form
    618,301.80/927,744.30 = 460,837.80/x
  3. Step 3: Cross multiply
    618,301.80x = 927,744.30 × 460,837.80
  4. Step 4: Simplify right side
    618,301.80x = 427,539,642,174.54
  5. Step 5: Solve for x
    x = 427,539,642,174.54/618,301.80
  6. Step 6: Final answer
    x = 691,474.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.