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Finding the Fourth Proportional to 263,364.92, 363,440.86 and 142,503.54

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Solution

The fourth proportional to 263,364.92, 363,440.86 and 142,503.54 is: 196,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,364.92 : 363,440.86 = 142,503.54 : x
  2. Step 2: Convert to fraction form
    263,364.92/363,440.86 = 142,503.54/x
  3. Step 3: Cross multiply
    263,364.92x = 363,440.86 × 142,503.54
  4. Step 4: Simplify right side
    263,364.92x = 51,791,609,130.64
  5. Step 5: Solve for x
    x = 51,791,609,130.64/263,364.92
  6. Step 6: Final answer
    x = 196,653.41

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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.