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Finding the Fourth Proportional to 3,658,704.60, 5,488,056.90 and 3,154,819.80

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Solution

The fourth proportional to 3,658,704.60, 5,488,056.90 and 3,154,819.80 is: 4,732,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,704.60 : 5,488,056.90 = 3,154,819.80 : x
  2. Step 2: Convert to fraction form
    3,658,704.60/5,488,056.90 = 3,154,819.80/x
  3. Step 3: Cross multiply
    3,658,704.60x = 5,488,056.90 × 3,154,819.80
  4. Step 4: Simplify right side
    3,658,704.60x = 17,313,830,571,646.62
  5. Step 5: Solve for x
    x = 17,313,830,571,646.62/3,658,704.60
  6. Step 6: Final answer
    x = 4,732,229.70

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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.