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Finding the Fourth Proportional to 3,215,339.27, 4,821,992.74 and 1,056,008.62

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Solution

The fourth proportional to 3,215,339.27, 4,821,992.74 and 1,056,008.62 is: 1,583,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,339.27 : 4,821,992.74 = 1,056,008.62 : x
  2. Step 2: Convert to fraction form
    3,215,339.27/4,821,992.74 = 1,056,008.62/x
  3. Step 3: Cross multiply
    3,215,339.27x = 4,821,992.74 × 1,056,008.62
  4. Step 4: Simplify right side
    3,215,339.27x = 5,092,065,881,682.39
  5. Step 5: Solve for x
    x = 5,092,065,881,682.39/3,215,339.27
  6. Step 6: Final answer
    x = 1,583,679.19

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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.