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Finding the Fourth Proportional to 3,671,170.64, 5,504,865.08 and 1,647,679.88

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Solution

The fourth proportional to 3,671,170.64, 5,504,865.08 and 1,647,679.88 is: 2,470,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671,170.64 : 5,504,865.08 = 1,647,679.88 : x
  2. Step 2: Convert to fraction form
    3,671,170.64/5,504,865.08 = 1,647,679.88/x
  3. Step 3: Cross multiply
    3,671,170.64x = 5,504,865.08 × 1,647,679.88
  4. Step 4: Simplify right side
    3,671,170.64x = 9,070,255,434,430.59
  5. Step 5: Solve for x
    x = 9,070,255,434,430.59/3,671,170.64
  6. Step 6: Final answer
    x = 2,470,671.16

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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.