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Finding the Fourth Proportional to 895,271.80, 1,342,907.70 and 885,940.60

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Solution

The fourth proportional to 895,271.80, 1,342,907.70 and 885,940.60 is: 1,328,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,271.80 : 1,342,907.70 = 885,940.60 : x
  2. Step 2: Convert to fraction form
    895,271.80/1,342,907.70 = 885,940.60/x
  3. Step 3: Cross multiply
    895,271.80x = 1,342,907.70 × 885,940.60
  4. Step 4: Simplify right side
    895,271.80x = 1,189,736,453,482.62
  5. Step 5: Solve for x
    x = 1,189,736,453,482.62/895,271.80
  6. Step 6: Final answer
    x = 1,328,910.90

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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.