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Finding the Fourth Proportional to 605,991,457.60, 836,284,634.40 and 371,037,647.68

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Solution

The fourth proportional to 605,991,457.60, 836,284,634.40 and 371,037,647.68 is: 512,042,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,991,457.60 : 836,284,634.40 = 371,037,647.68 : x
  2. Step 2: Convert to fraction form
    605,991,457.60/836,284,634.40 = 371,037,647.68/x
  3. Step 3: Cross multiply
    605,991,457.60x = 836,284,634.40 × 371,037,647.68
  4. Step 4: Simplify right side
    605,991,457.60x = 310,293,083,538,704,832
  5. Step 5: Solve for x
    x = 310,293,083,538,704,832/605,991,457.60
  6. Step 6: Final answer
    x = 512,042,009.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.