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Finding the Fourth Proportional to 262,023.70, 393,035.55 and 192,039.70

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Solution

The fourth proportional to 262,023.70, 393,035.55 and 192,039.70 is: 288,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,023.70 : 393,035.55 = 192,039.70 : x
  2. Step 2: Convert to fraction form
    262,023.70/393,035.55 = 192,039.70/x
  3. Step 3: Cross multiply
    262,023.70x = 393,035.55 × 192,039.70
  4. Step 4: Simplify right side
    262,023.70x = 75,478,429,111.34
  5. Step 5: Solve for x
    x = 75,478,429,111.34/262,023.70
  6. Step 6: Final answer
    x = 288,059.55

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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.