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Finding the Fourth Proportional to 357,381.36, 493,204.32 and 196,235.28

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Solution

The fourth proportional to 357,381.36, 493,204.32 and 196,235.28 is: 270,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,381.36 : 493,204.32 = 196,235.28 : x
  2. Step 2: Convert to fraction form
    357,381.36/493,204.32 = 196,235.28/x
  3. Step 3: Cross multiply
    357,381.36x = 493,204.32 × 196,235.28
  4. Step 4: Simplify right side
    357,381.36x = 96,784,087,832.41
  5. Step 5: Solve for x
    x = 96,784,087,832.41/357,381.36
  6. Step 6: Final answer
    x = 270,814.59

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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.