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Finding the Fourth Proportional to 1,955,986.64, 2,933,012.28 and 693,625.04

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Solution

The fourth proportional to 1,955,986.64, 2,933,012.28 and 693,625.04 is: 1,040,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,986.64 : 2,933,012.28 = 693,625.04 : x
  2. Step 2: Convert to fraction form
    1,955,986.64/2,933,012.28 = 693,625.04/x
  3. Step 3: Cross multiply
    1,955,986.64x = 2,933,012.28 × 693,625.04
  4. Step 4: Simplify right side
    1,955,986.64x = 2,034,410,760,035.49
  5. Step 5: Solve for x
    x = 2,034,410,760,035.49/1,955,986.64
  6. Step 6: Final answer
    x = 1,040,094.40

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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.