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Finding the Fourth Proportional to 631,738.38, 947,468.38 and 182,361.64

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Solution

The fourth proportional to 631,738.38, 947,468.38 and 182,361.64 is: 273,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,738.38 : 947,468.38 = 182,361.64 : x
  2. Step 2: Convert to fraction form
    631,738.38/947,468.38 = 182,361.64/x
  3. Step 3: Cross multiply
    631,738.38x = 947,468.38 × 182,361.64
  4. Step 4: Simplify right side
    631,738.38x = 172,781,887,624.94
  5. Step 5: Solve for x
    x = 172,781,887,624.94/631,738.38
  6. Step 6: Final answer
    x = 273,502.28

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1.5x scale

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.