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Finding the Fourth Proportional to 3,747,658.98, 5,621,473.89 and 907,766.58

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Solution

The fourth proportional to 3,747,658.98, 5,621,473.89 and 907,766.58 is: 1,361,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,658.98 : 5,621,473.89 = 907,766.58 : x
  2. Step 2: Convert to fraction form
    3,747,658.98/5,621,473.89 = 907,766.58/x
  3. Step 3: Cross multiply
    3,747,658.98x = 5,621,473.89 × 907,766.58
  4. Step 4: Simplify right side
    3,747,658.98x = 5,102,986,127,684.60
  5. Step 5: Solve for x
    x = 5,102,986,127,684.60/3,747,658.98
  6. Step 6: Final answer
    x = 1,361,646.34

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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.