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Finding the Fourth Proportional to 480,851.86, 663,517.76 and 276,969.09

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Solution

The fourth proportional to 480,851.86, 663,517.76 and 276,969.09 is: 382,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,851.86 : 663,517.76 = 276,969.09 : x
  2. Step 2: Convert to fraction form
    480,851.86/663,517.76 = 276,969.09/x
  3. Step 3: Cross multiply
    480,851.86x = 663,517.76 × 276,969.09
  4. Step 4: Simplify right side
    480,851.86x = 183,773,907,351.64
  5. Step 5: Solve for x
    x = 183,773,907,351.64/480,851.86
  6. Step 6: Final answer
    x = 382,184.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.