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Finding the Fourth Proportional to 4,855,873.60, 7,277,978.40 and 2,014,523.20

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Solution

The fourth proportional to 4,855,873.60, 7,277,978.40 and 2,014,523.20 is: 3,019,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,873.60 : 7,277,978.40 = 2,014,523.20 : x
  2. Step 2: Convert to fraction form
    4,855,873.60/7,277,978.40 = 2,014,523.20/x
  3. Step 3: Cross multiply
    4,855,873.60x = 7,277,978.40 × 2,014,523.20
  4. Step 4: Simplify right side
    4,855,873.60x = 14,661,656,335,898.88
  5. Step 5: Solve for x
    x = 14,661,656,335,898.88/4,855,873.60
  6. Step 6: Final answer
    x = 3,019,365.32

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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.