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Finding the Fourth Proportional to 385,556.27, 532,084.27 and 213,474.22

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Solution

The fourth proportional to 385,556.27, 532,084.27 and 213,474.22 is: 294,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,556.27 : 532,084.27 = 213,474.22 : x
  2. Step 2: Convert to fraction form
    385,556.27/532,084.27 = 213,474.22/x
  3. Step 3: Cross multiply
    385,556.27x = 532,084.27 × 213,474.22
  4. Step 4: Simplify right side
    385,556.27x = 113,586,274,693.22
  5. Step 5: Solve for x
    x = 113,586,274,693.22/385,556.27
  6. Step 6: Final answer
    x = 294,603.63

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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.