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Finding the Fourth Proportional to 6,369,218.22, 8,789,460.66 and 3,468,657.54

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Solution

The fourth proportional to 6,369,218.22, 8,789,460.66 and 3,468,657.54 is: 4,786,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,218.22 : 8,789,460.66 = 3,468,657.54 : x
  2. Step 2: Convert to fraction form
    6,369,218.22/8,789,460.66 = 3,468,657.54/x
  3. Step 3: Cross multiply
    6,369,218.22x = 8,789,460.66 × 3,468,657.54
  4. Step 4: Simplify right side
    6,369,218.22x = 30,487,628,990,842.38
  5. Step 5: Solve for x
    x = 30,487,628,990,842.38/6,369,218.22
  6. Step 6: Final answer
    x = 4,786,714.47

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Why These Related Problems?

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