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Finding the Fourth Proportional to 386,187.94, 532,956.21 and 214,094.96

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Solution

The fourth proportional to 386,187.94, 532,956.21 and 214,094.96 is: 295,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,187.94 : 532,956.21 = 214,094.96 : x
  2. Step 2: Convert to fraction form
    386,187.94/532,956.21 = 214,094.96/x
  3. Step 3: Cross multiply
    386,187.94x = 532,956.21 × 214,094.96
  4. Step 4: Simplify right side
    386,187.94x = 114,103,235,796.92
  5. Step 5: Solve for x
    x = 114,103,235,796.92/386,187.94
  6. Step 6: Final answer
    x = 295,460.38

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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.