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Finding the Fourth Proportional to 192,519.40, 288,260.70 and 192,519.40

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Solution

The fourth proportional to 192,519.40, 288,260.70 and 192,519.40 is: 288,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,519.40 : 288,260.70 = 192,519.40 : x
  2. Step 2: Convert to fraction form
    192,519.40/288,260.70 = 192,519.40/x
  3. Step 3: Cross multiply
    192,519.40x = 288,260.70 × 192,519.40
  4. Step 4: Simplify right side
    192,519.40x = 55,495,777,007.58
  5. Step 5: Solve for x
    x = 55,495,777,007.58/192,519.40
  6. Step 6: Final answer
    x = 288,260.70

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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.