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Finding the Fourth Proportional to 301,670.30, 449,840.74 and 298,968.14

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Solution

The fourth proportional to 301,670.30, 449,840.74 and 298,968.14 is: 445,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,670.30 : 449,840.74 = 298,968.14 : x
  2. Step 2: Convert to fraction form
    301,670.30/449,840.74 = 298,968.14/x
  3. Step 3: Cross multiply
    301,670.30x = 449,840.74 × 298,968.14
  4. Step 4: Simplify right side
    301,670.30x = 134,488,049,334.02
  5. Step 5: Solve for x
    x = 134,488,049,334.02/301,670.30
  6. Step 6: Final answer
    x = 445,811.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.