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Finding the Fourth Proportional to 332,311.40, 498,467.10 and 163,912.40

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Solution

The fourth proportional to 332,311.40, 498,467.10 and 163,912.40 is: 245,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,311.40 : 498,467.10 = 163,912.40 : x
  2. Step 2: Convert to fraction form
    332,311.40/498,467.10 = 163,912.40/x
  3. Step 3: Cross multiply
    332,311.40x = 498,467.10 × 163,912.40
  4. Step 4: Simplify right side
    332,311.40x = 81,704,938,682.04
  5. Step 5: Solve for x
    x = 81,704,938,682.04/332,311.40
  6. Step 6: Final answer
    x = 245,868.60

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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.