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Finding the Fourth Proportional to 1,828,566.64, 2,743,287.90 and 763,015.96

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Solution

The fourth proportional to 1,828,566.64, 2,743,287.90 and 763,015.96 is: 1,144,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,566.64 : 2,743,287.90 = 763,015.96 : x
  2. Step 2: Convert to fraction form
    1,828,566.64/2,743,287.90 = 763,015.96/x
  3. Step 3: Cross multiply
    1,828,566.64x = 2,743,287.90 × 763,015.96
  4. Step 4: Simplify right side
    1,828,566.64x = 2,093,172,450,574.88
  5. Step 5: Solve for x
    x = 2,093,172,450,574.88/1,828,566.64
  6. Step 6: Final answer
    x = 1,144,706.68

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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.