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Finding the Fourth Proportional to 478,848.12, 717,352.74 and 267,846.36

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Solution

The fourth proportional to 478,848.12, 717,352.74 and 267,846.36 is: 401,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,848.12 : 717,352.74 = 267,846.36 : x
  2. Step 2: Convert to fraction form
    478,848.12/717,352.74 = 267,846.36/x
  3. Step 3: Cross multiply
    478,848.12x = 717,352.74 × 267,846.36
  4. Step 4: Simplify right side
    478,848.12x = 192,140,320,245.03
  5. Step 5: Solve for x
    x = 192,140,320,245.03/478,848.12
  6. Step 6: Final answer
    x = 401,255.25

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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.