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Finding the Fourth Proportional to 2,392,686, 3,589,028.04 and 709,774.80

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Solution

The fourth proportional to 2,392,686, 3,589,028.04 and 709,774.80 is: 1,064,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392,686 : 3,589,028.04 = 709,774.80 : x
  2. Step 2: Convert to fraction form
    2,392,686/3,589,028.04 = 709,774.80/x
  3. Step 3: Cross multiply
    2,392,686x = 3,589,028.04 × 709,774.80
  4. Step 4: Simplify right side
    2,392,686x = 2,547,401,659,285.39
  5. Step 5: Solve for x
    x = 2,547,401,659,285.39/2,392,686
  6. Step 6: Final answer
    x = 1,064,661.92

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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.