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Finding the Fourth Proportional to 263,295.66, 363,346.92 and 142,436.67

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Solution

The fourth proportional to 263,295.66, 363,346.92 and 142,436.67 is: 196,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,295.66 : 363,346.92 = 142,436.67 : x
  2. Step 2: Convert to fraction form
    263,295.66/363,346.92 = 142,436.67/x
  3. Step 3: Cross multiply
    263,295.66x = 363,346.92 × 142,436.67
  4. Step 4: Simplify right side
    263,295.66x = 51,753,925,339.56
  5. Step 5: Solve for x
    x = 51,753,925,339.56/263,295.66
  6. Step 6: Final answer
    x = 196,562.01

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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.