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Finding the Fourth Proportional to 1,213,983.30, 1,823,048.55 and 795,116.10

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Solution

The fourth proportional to 1,213,983.30, 1,823,048.55 and 795,116.10 is: 1,194,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,983.30 : 1,823,048.55 = 795,116.10 : x
  2. Step 2: Convert to fraction form
    1,213,983.30/1,823,048.55 = 795,116.10/x
  3. Step 3: Cross multiply
    1,213,983.30x = 1,823,048.55 × 795,116.10
  4. Step 4: Simplify right side
    1,213,983.30x = 1,449,535,253,186.66
  5. Step 5: Solve for x
    x = 1,449,535,253,186.66/1,213,983.30
  6. Step 6: Final answer
    x = 1,194,032.28

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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.