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Finding the Fourth Proportional to 427,958.64, 590,575.68 and 236,967.93

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Solution

The fourth proportional to 427,958.64, 590,575.68 and 236,967.93 is: 327,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,958.64 : 590,575.68 = 236,967.93 : x
  2. Step 2: Convert to fraction form
    427,958.64/590,575.68 = 236,967.93/x
  3. Step 3: Cross multiply
    427,958.64x = 590,575.68 × 236,967.93
  4. Step 4: Simplify right side
    427,958.64x = 139,947,496,397.94
  5. Step 5: Solve for x
    x = 139,947,496,397.94/427,958.64
  6. Step 6: Final answer
    x = 327,011.73

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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.