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Finding the Fourth Proportional to 253,971.54, 350,409.78 and 200,089.53

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Solution

The fourth proportional to 253,971.54, 350,409.78 and 200,089.53 is: 276,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,971.54 : 350,409.78 = 200,089.53 : x
  2. Step 2: Convert to fraction form
    253,971.54/350,409.78 = 200,089.53/x
  3. Step 3: Cross multiply
    253,971.54x = 350,409.78 × 200,089.53
  4. Step 4: Simplify right side
    253,971.54x = 70,113,328,187.60
  5. Step 5: Solve for x
    x = 70,113,328,187.60/253,971.54
  6. Step 6: Final answer
    x = 276,067.66

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1.5x scale

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.