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Finding the Fourth Proportional to 1,959,695, 2,939,542.50 and 629,999

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Solution

The fourth proportional to 1,959,695, 2,939,542.50 and 629,999 is: 944,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,695 : 2,939,542.50 = 629,999 : x
  2. Step 2: Convert to fraction form
    1,959,695/2,939,542.50 = 629,999/x
  3. Step 3: Cross multiply
    1,959,695x = 2,939,542.50 × 629,999
  4. Step 4: Simplify right side
    1,959,695x = 1,851,908,835,457.50
  5. Step 5: Solve for x
    x = 1,851,908,835,457.50/1,959,695
  6. Step 6: Final answer
    x = 944,998.50

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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.