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Finding the Fourth Proportional to 1,799,786.88, 2,701,006.56 and 853,153.92

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Solution

The fourth proportional to 1,799,786.88, 2,701,006.56 and 853,153.92 is: 1,280,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,786.88 : 2,701,006.56 = 853,153.92 : x
  2. Step 2: Convert to fraction form
    1,799,786.88/2,701,006.56 = 853,153.92/x
  3. Step 3: Cross multiply
    1,799,786.88x = 2,701,006.56 × 853,153.92
  4. Step 4: Simplify right side
    1,799,786.88x = 2,304,374,334,609.72
  5. Step 5: Solve for x
    x = 2,304,374,334,609.72/1,799,786.88
  6. Step 6: Final answer
    x = 1,280,359.56

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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.