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Finding the Fourth Proportional to 192,296.40, 288,444.60 and 171,406.80

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Solution

The fourth proportional to 192,296.40, 288,444.60 and 171,406.80 is: 257,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,296.40 : 288,444.60 = 171,406.80 : x
  2. Step 2: Convert to fraction form
    192,296.40/288,444.60 = 171,406.80/x
  3. Step 3: Cross multiply
    192,296.40x = 288,444.60 × 171,406.80
  4. Step 4: Simplify right side
    192,296.40x = 49,441,365,863.28
  5. Step 5: Solve for x
    x = 49,441,365,863.28/192,296.40
  6. Step 6: Final answer
    x = 257,110.20

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1.5x scale

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.