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Finding the Fourth Proportional to 441,085,861.80, 661,628,792.70 and 441,085,861.80

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Solution

The fourth proportional to 441,085,861.80, 661,628,792.70 and 441,085,861.80 is: 661,628,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,085,861.80 : 661,628,792.70 = 441,085,861.80 : x
  2. Step 2: Convert to fraction form
    441,085,861.80/661,628,792.70 = 441,085,861.80/x
  3. Step 3: Cross multiply
    441,085,861.80x = 661,628,792.70 × 441,085,861.80
  4. Step 4: Simplify right side
    441,085,861.80x = 291,835,106,219,773,056
  5. Step 5: Solve for x
    x = 291,835,106,219,773,056/441,085,861.80
  6. Step 6: Final answer
    x = 661,628,792.70

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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.