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Finding the Fourth Proportional to 967,719.20, 1,449,829.20 and 827,751.20

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Solution

The fourth proportional to 967,719.20, 1,449,829.20 and 827,751.20 is: 1,240,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,719.20 : 1,449,829.20 = 827,751.20 : x
  2. Step 2: Convert to fraction form
    967,719.20/1,449,829.20 = 827,751.20/x
  3. Step 3: Cross multiply
    967,719.20x = 1,449,829.20 × 827,751.20
  4. Step 4: Simplify right side
    967,719.20x = 1,200,097,860,095.04
  5. Step 5: Solve for x
    x = 1,200,097,860,095.04/967,719.20
  6. Step 6: Final answer
    x = 1,240,130.26

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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.