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Finding the Fourth Proportional to 325,670.71, 449,420.64 and 182,435.87

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Solution

The fourth proportional to 325,670.71, 449,420.64 and 182,435.87 is: 251,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,670.71 : 449,420.64 = 182,435.87 : x
  2. Step 2: Convert to fraction form
    325,670.71/449,420.64 = 182,435.87/x
  3. Step 3: Cross multiply
    325,670.71x = 449,420.64 × 182,435.87
  4. Step 4: Simplify right side
    325,670.71x = 81,990,445,454.36
  5. Step 5: Solve for x
    x = 81,990,445,454.36/325,670.71
  6. Step 6: Final answer
    x = 251,758.73

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1.5x scale

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.