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Finding the Fourth Proportional to 3,630,646.80, 5,447,719.80 and 2,563,390.80

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Solution

The fourth proportional to 3,630,646.80, 5,447,719.80 and 2,563,390.80 is: 3,846,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,646.80 : 5,447,719.80 = 2,563,390.80 : x
  2. Step 2: Convert to fraction form
    3,630,646.80/5,447,719.80 = 2,563,390.80/x
  3. Step 3: Cross multiply
    3,630,646.80x = 5,447,719.80 × 2,563,390.80
  4. Step 4: Simplify right side
    3,630,646.80x = 13,964,634,816,297.84
  5. Step 5: Solve for x
    x = 13,964,634,816,297.84/3,630,646.80
  6. Step 6: Final answer
    x = 3,846,321.49

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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.