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Finding the Fourth Proportional to 662,681.80, 994,152.30 and 263,254.60

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Solution

The fourth proportional to 662,681.80, 994,152.30 and 263,254.60 is: 394,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,681.80 : 994,152.30 = 263,254.60 : x
  2. Step 2: Convert to fraction form
    662,681.80/994,152.30 = 263,254.60/x
  3. Step 3: Cross multiply
    662,681.80x = 994,152.30 × 263,254.60
  4. Step 4: Simplify right side
    662,681.80x = 261,715,166,075.58
  5. Step 5: Solve for x
    x = 261,715,166,075.58/662,681.80
  6. Step 6: Final answer
    x = 394,933.38

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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.