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Finding the Fourth Proportional to 363,476,227.60, 545,363,640.60 and 133,555,459.60

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Solution

The fourth proportional to 363,476,227.60, 545,363,640.60 and 133,555,459.60 is: 200,388,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,476,227.60 : 545,363,640.60 = 133,555,459.60 : x
  2. Step 2: Convert to fraction form
    363,476,227.60/545,363,640.60 = 133,555,459.60/x
  3. Step 3: Cross multiply
    363,476,227.60x = 545,363,640.60 × 133,555,459.60
  4. Step 4: Simplify right side
    363,476,227.60x = 72,836,291,669,462,224
  5. Step 5: Solve for x
    x = 72,836,291,669,462,224/363,476,227.60
  6. Step 6: Final answer
    x = 200,388,047.80

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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.