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Finding the Fourth Proportional to 2,597,663.93, 3,895,817.92 and 775,603.15

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Solution

The fourth proportional to 2,597,663.93, 3,895,817.92 and 775,603.15 is: 1,163,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597,663.93 : 3,895,817.92 = 775,603.15 : x
  2. Step 2: Convert to fraction form
    2,597,663.93/3,895,817.92 = 775,603.15/x
  3. Step 3: Cross multiply
    2,597,663.93x = 3,895,817.92 × 775,603.15
  4. Step 4: Simplify right side
    2,597,663.93x = 3,021,608,638,899.90
  5. Step 5: Solve for x
    x = 3,021,608,638,899.90/2,597,663.93
  6. Step 6: Final answer
    x = 1,163,202.29

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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.