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Finding the Fourth Proportional to 427,652.87, 590,179.47 and 236,666.31

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Solution

The fourth proportional to 427,652.87, 590,179.47 and 236,666.31 is: 326,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,652.87 : 590,179.47 = 236,666.31 : x
  2. Step 2: Convert to fraction form
    427,652.87/590,179.47 = 236,666.31/x
  3. Step 3: Cross multiply
    427,652.87x = 590,179.47 × 236,666.31
  4. Step 4: Simplify right side
    427,652.87x = 139,675,594,301.98
  5. Step 5: Solve for x
    x = 139,675,594,301.98/427,652.87
  6. Step 6: Final answer
    x = 326,609.75

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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.