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Finding the Fourth Proportional to 6,330,801.50, 8,736,493.86 and 3,430,270.88

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Solution

The fourth proportional to 6,330,801.50, 8,736,493.86 and 3,430,270.88 is: 4,733,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330,801.50 : 8,736,493.86 = 3,430,270.88 : x
  2. Step 2: Convert to fraction form
    6,330,801.50/8,736,493.86 = 3,430,270.88/x
  3. Step 3: Cross multiply
    6,330,801.50x = 8,736,493.86 × 3,430,270.88
  4. Step 4: Simplify right side
    6,330,801.50x = 29,968,540,481,256.79
  5. Step 5: Solve for x
    x = 29,968,540,481,256.79/6,330,801.50
  6. Step 6: Final answer
    x = 4,733,767.20

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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.