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Finding the Fourth Proportional to 4,719,502.78, 7,079,258.22 and 2,022,078.88

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Solution

The fourth proportional to 4,719,502.78, 7,079,258.22 and 2,022,078.88 is: 3,033,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719,502.78 : 7,079,258.22 = 2,022,078.88 : x
  2. Step 2: Convert to fraction form
    4,719,502.78/7,079,258.22 = 2,022,078.88/x
  3. Step 3: Cross multiply
    4,719,502.78x = 7,079,258.22 × 2,022,078.88
  4. Step 4: Simplify right side
    4,719,502.78x = 14,314,818,532,728.39
  5. Step 5: Solve for x
    x = 14,314,818,532,728.39/4,719,502.78
  6. Step 6: Final answer
    x = 3,033,120.06

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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.