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Finding the Fourth Proportional to 1,828,571.64, 2,743,295.40 and 763,020.96

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Solution

The fourth proportional to 1,828,571.64, 2,743,295.40 and 763,020.96 is: 1,144,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,571.64 : 2,743,295.40 = 763,020.96 : x
  2. Step 2: Convert to fraction form
    1,828,571.64/2,743,295.40 = 763,020.96/x
  3. Step 3: Cross multiply
    1,828,571.64x = 2,743,295.40 × 763,020.96
  4. Step 4: Simplify right side
    1,828,571.64x = 2,093,191,889,671.58
  5. Step 5: Solve for x
    x = 2,093,191,889,671.58/1,828,571.64
  6. Step 6: Final answer
    x = 1,144,714.18

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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.