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Finding the Fourth Proportional to 6,407,219.91, 9,607,286.91 and 4,870,764.93

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Solution

The fourth proportional to 6,407,219.91, 9,607,286.91 and 4,870,764.93 is: 7,303,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407,219.91 : 9,607,286.91 = 4,870,764.93 : x
  2. Step 2: Convert to fraction form
    6,407,219.91/9,607,286.91 = 4,870,764.93/x
  3. Step 3: Cross multiply
    6,407,219.91x = 9,607,286.91 × 4,870,764.93
  4. Step 4: Simplify right side
    6,407,219.91x = 46,794,836,153,676.06
  5. Step 5: Solve for x
    x = 46,794,836,153,676.06/6,407,219.91
  6. Step 6: Final answer
    x = 7,303,454.04

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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.