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Finding the Fourth Proportional to 1,738,216.80, 2,606,450.40 and 1,028,462.40

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Solution

The fourth proportional to 1,738,216.80, 2,606,450.40 and 1,028,462.40 is: 1,542,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,216.80 : 2,606,450.40 = 1,028,462.40 : x
  2. Step 2: Convert to fraction form
    1,738,216.80/2,606,450.40 = 1,028,462.40/x
  3. Step 3: Cross multiply
    1,738,216.80x = 2,606,450.40 × 1,028,462.40
  4. Step 4: Simplify right side
    1,738,216.80x = 2,680,636,233,864.96
  5. Step 5: Solve for x
    x = 2,680,636,233,864.96/1,738,216.80
  6. Step 6: Final answer
    x = 1,542,176.00

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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.