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Finding the Fourth Proportional to 965,335.80, 1,446,578.10 and 699,655.80

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Solution

The fourth proportional to 965,335.80, 1,446,578.10 and 699,655.80 is: 1,048,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,335.80 : 1,446,578.10 = 699,655.80 : x
  2. Step 2: Convert to fraction form
    965,335.80/1,446,578.10 = 699,655.80/x
  3. Step 3: Cross multiply
    965,335.80x = 1,446,578.10 × 699,655.80
  4. Step 4: Simplify right side
    965,335.80x = 1,012,106,757,817.98
  5. Step 5: Solve for x
    x = 1,012,106,757,817.98/965,335.80
  6. Step 6: Final answer
    x = 1,048,450.45

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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.