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Finding the Fourth Proportional to 626,052.36, 863,267.56 and 465,205.80

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Solution

The fourth proportional to 626,052.36, 863,267.56 and 465,205.80 is: 641,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,052.36 : 863,267.56 = 465,205.80 : x
  2. Step 2: Convert to fraction form
    626,052.36/863,267.56 = 465,205.80/x
  3. Step 3: Cross multiply
    626,052.36x = 863,267.56 × 465,205.80
  4. Step 4: Simplify right side
    626,052.36x = 401,597,075,863.85
  5. Step 5: Solve for x
    x = 401,597,075,863.85/626,052.36
  6. Step 6: Final answer
    x = 641,475.22

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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.