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Finding the Fourth Proportional to 1,325,668, 1,984,796.88 and 716,273.44

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Solution

The fourth proportional to 1,325,668, 1,984,796.88 and 716,273.44 is: 1,072,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,668 : 1,984,796.88 = 716,273.44 : x
  2. Step 2: Convert to fraction form
    1,325,668/1,984,796.88 = 716,273.44/x
  3. Step 3: Cross multiply
    1,325,668x = 1,984,796.88 × 716,273.44
  4. Step 4: Simplify right side
    1,325,668x = 1,421,657,288,938.87
  5. Step 5: Solve for x
    x = 1,421,657,288,938.87/1,325,668
  6. Step 6: Final answer
    x = 1,072,408.24

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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.