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Finding the Fourth Proportional to 4,604,978.40, 6,907,467.60 and 3,485,234.40

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Solution

The fourth proportional to 4,604,978.40, 6,907,467.60 and 3,485,234.40 is: 5,227,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604,978.40 : 6,907,467.60 = 3,485,234.40 : x
  2. Step 2: Convert to fraction form
    4,604,978.40/6,907,467.60 = 3,485,234.40/x
  3. Step 3: Cross multiply
    4,604,978.40x = 6,907,467.60 × 3,485,234.40
  4. Step 4: Simplify right side
    4,604,978.40x = 24,074,143,696,405.44
  5. Step 5: Solve for x
    x = 24,074,143,696,405.44/4,604,978.40
  6. Step 6: Final answer
    x = 5,227,851.60

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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.