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Finding the Fourth Proportional to 361,752,421.80, 542,628,632.70 and 224,002,914.60

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Solution

The fourth proportional to 361,752,421.80, 542,628,632.70 and 224,002,914.60 is: 336,004,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,752,421.80 : 542,628,632.70 = 224,002,914.60 : x
  2. Step 2: Convert to fraction form
    361,752,421.80/542,628,632.70 = 224,002,914.60/x
  3. Step 3: Cross multiply
    361,752,421.80x = 542,628,632.70 × 224,002,914.60
  4. Step 4: Simplify right side
    361,752,421.80x = 121,550,395,270,212,880
  5. Step 5: Solve for x
    x = 121,550,395,270,212,880/361,752,421.80
  6. Step 6: Final answer
    x = 336,004,371.90

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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.