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Finding the Fourth Proportional to 6,358,964.42, 8,775,286.11 and 3,458,292.86

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Solution

The fourth proportional to 6,358,964.42, 8,775,286.11 and 3,458,292.86 is: 4,772,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358,964.42 : 8,775,286.11 = 3,458,292.86 : x
  2. Step 2: Convert to fraction form
    6,358,964.42/8,775,286.11 = 3,458,292.86/x
  3. Step 3: Cross multiply
    6,358,964.42x = 8,775,286.11 × 3,458,292.86
  4. Step 4: Simplify right side
    6,358,964.42x = 30,347,509,254,793.74
  5. Step 5: Solve for x
    x = 30,347,509,254,793.74/6,358,964.42
  6. Step 6: Final answer
    x = 4,772,398.03

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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.