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Finding the Fourth Proportional to 3,764,848.60, 5,647,272.90 and 924,923.80

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Solution

The fourth proportional to 3,764,848.60, 5,647,272.90 and 924,923.80 is: 1,387,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764,848.60 : 5,647,272.90 = 924,923.80 : x
  2. Step 2: Convert to fraction form
    3,764,848.60/5,647,272.90 = 924,923.80/x
  3. Step 3: Cross multiply
    3,764,848.60x = 5,647,272.90 × 924,923.80
  4. Step 4: Simplify right side
    3,764,848.60x = 5,223,297,110,305.02
  5. Step 5: Solve for x
    x = 5,223,297,110,305.02/3,764,848.60
  6. Step 6: Final answer
    x = 1,387,385.70

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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.