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Finding the Fourth Proportional to 448,383.66, 672,667.76 and 182,143.81

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Solution

The fourth proportional to 448,383.66, 672,667.76 and 182,143.81 is: 273,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,383.66 : 672,667.76 = 182,143.81 : x
  2. Step 2: Convert to fraction form
    448,383.66/672,667.76 = 182,143.81/x
  3. Step 3: Cross multiply
    448,383.66x = 672,667.76 × 182,143.81
  4. Step 4: Simplify right side
    448,383.66x = 122,522,268,670.57
  5. Step 5: Solve for x
    x = 122,522,268,670.57/448,383.66
  6. Step 6: Final answer
    x = 273,253.20

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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.