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Finding the Fourth Proportional to 474,367.86, 654,556.14 and 270,436.50

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Solution

The fourth proportional to 474,367.86, 654,556.14 and 270,436.50 is: 373,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,367.86 : 654,556.14 = 270,436.50 : x
  2. Step 2: Convert to fraction form
    474,367.86/654,556.14 = 270,436.50/x
  3. Step 3: Cross multiply
    474,367.86x = 654,556.14 × 270,436.50
  4. Step 4: Simplify right side
    474,367.86x = 177,015,871,555.11
  5. Step 5: Solve for x
    x = 177,015,871,555.11/474,367.86
  6. Step 6: Final answer
    x = 373,161.60

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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.