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Finding the Fourth Proportional to 1,738,269.20, 2,603,904.60 and 897,294.80

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Solution

The fourth proportional to 1,738,269.20, 2,603,904.60 and 897,294.80 is: 1,344,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,269.20 : 2,603,904.60 = 897,294.80 : x
  2. Step 2: Convert to fraction form
    1,738,269.20/2,603,904.60 = 897,294.80/x
  3. Step 3: Cross multiply
    1,738,269.20x = 2,603,904.60 × 897,294.80
  4. Step 4: Simplify right side
    1,738,269.20x = 2,336,470,057,276.08
  5. Step 5: Solve for x
    x = 2,336,470,057,276.08/1,738,269.20
  6. Step 6: Final answer
    x = 1,344,135.91

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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.