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Finding the Fourth Proportional to 1,828,623.83, 2,743,116.17 and 630,388.40

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Solution

The fourth proportional to 1,828,623.83, 2,743,116.17 and 630,388.40 is: 945,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,623.83 : 2,743,116.17 = 630,388.40 : x
  2. Step 2: Convert to fraction form
    1,828,623.83/2,743,116.17 = 630,388.40/x
  3. Step 3: Cross multiply
    1,828,623.83x = 2,743,116.17 × 630,388.40
  4. Step 4: Simplify right side
    1,828,623.83x = 1,729,228,596,552.91
  5. Step 5: Solve for x
    x = 1,729,228,596,552.91/1,828,623.83
  6. Step 6: Final answer
    x = 945,644.79

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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.