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Finding the Fourth Proportional to 895,228.80, 1,342,843.20 and 851,683.20

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Solution

The fourth proportional to 895,228.80, 1,342,843.20 and 851,683.20 is: 1,277,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,228.80 : 1,342,843.20 = 851,683.20 : x
  2. Step 2: Convert to fraction form
    895,228.80/1,342,843.20 = 851,683.20/x
  3. Step 3: Cross multiply
    895,228.80x = 1,342,843.20 × 851,683.20
  4. Step 4: Simplify right side
    895,228.80x = 1,143,676,993,674.24
  5. Step 5: Solve for x
    x = 1,143,676,993,674.24/895,228.80
  6. Step 6: Final answer
    x = 1,277,524.80

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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.