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Finding the Fourth Proportional to 298,183.58, 446,950.07 and 146,485.06

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Solution

The fourth proportional to 298,183.58, 446,950.07 and 146,485.06 is: 219,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,183.58 : 446,950.07 = 146,485.06 : x
  2. Step 2: Convert to fraction form
    298,183.58/446,950.07 = 146,485.06/x
  3. Step 3: Cross multiply
    298,183.58x = 446,950.07 × 146,485.06
  4. Step 4: Simplify right side
    298,183.58x = 65,471,506,520.47
  5. Step 5: Solve for x
    x = 65,471,506,520.47/298,183.58
  6. Step 6: Final answer
    x = 219,567.78

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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.