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Finding the Fourth Proportional to 6,389,266.23, 8,817,143.22 and 3,488,655.42

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Solution

The fourth proportional to 6,389,266.23, 8,817,143.22 and 3,488,655.42 is: 4,814,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,266.23 : 8,817,143.22 = 3,488,655.42 : x
  2. Step 2: Convert to fraction form
    6,389,266.23/8,817,143.22 = 3,488,655.42/x
  3. Step 3: Cross multiply
    6,389,266.23x = 8,817,143.22 × 3,488,655.42
  4. Step 4: Simplify right side
    6,389,266.23x = 30,759,974,483,369.25
  5. Step 5: Solve for x
    x = 30,759,974,483,369.25/6,389,266.23
  6. Step 6: Final answer
    x = 4,814,320.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.