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Finding the Fourth Proportional to 228,294.36, 342,035.22 and 194,673.34

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Solution

The fourth proportional to 228,294.36, 342,035.22 and 194,673.34 is: 291,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,294.36 : 342,035.22 = 194,673.34 : x
  2. Step 2: Convert to fraction form
    228,294.36/342,035.22 = 194,673.34/x
  3. Step 3: Cross multiply
    228,294.36x = 342,035.22 × 194,673.34
  4. Step 4: Simplify right side
    228,294.36x = 66,585,138,675.03
  5. Step 5: Solve for x
    x = 66,585,138,675.03/228,294.36
  6. Step 6: Final answer
    x = 291,663.53

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Why These Related Problems?

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