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Finding the Fourth Proportional to 236,535.70, 354,803.55 and 213,207.70

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Solution

The fourth proportional to 236,535.70, 354,803.55 and 213,207.70 is: 319,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,535.70 : 354,803.55 = 213,207.70 : x
  2. Step 2: Convert to fraction form
    236,535.70/354,803.55 = 213,207.70/x
  3. Step 3: Cross multiply
    236,535.70x = 354,803.55 × 213,207.70
  4. Step 4: Simplify right side
    236,535.70x = 75,646,848,847.34
  5. Step 5: Solve for x
    x = 75,646,848,847.34/236,535.70
  6. Step 6: Final answer
    x = 319,811.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.