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Finding the Fourth Proportional to 620,737.26, 930,603.41 and 194,053.41

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Solution

The fourth proportional to 620,737.26, 930,603.41 and 194,053.41 is: 290,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,737.26 : 930,603.41 = 194,053.41 : x
  2. Step 2: Convert to fraction form
    620,737.26/930,603.41 = 194,053.41/x
  3. Step 3: Cross multiply
    620,737.26x = 930,603.41 × 194,053.41
  4. Step 4: Simplify right side
    620,737.26x = 180,586,764,097.86
  5. Step 5: Solve for x
    x = 180,586,764,097.86/620,737.26
  6. Step 6: Final answer
    x = 290,923.03

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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.