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Finding the Fourth Proportional to 332,511.30, 498,438.90 and 163,893.60

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Solution

The fourth proportional to 332,511.30, 498,438.90 and 163,893.60 is: 245,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,511.30 : 498,438.90 = 163,893.60 : x
  2. Step 2: Convert to fraction form
    332,511.30/498,438.90 = 163,893.60/x
  3. Step 3: Cross multiply
    332,511.30x = 498,438.90 × 163,893.60
  4. Step 4: Simplify right side
    332,511.30x = 81,690,945,701.04
  5. Step 5: Solve for x
    x = 81,690,945,701.04/332,511.30
  6. Step 6: Final answer
    x = 245,678.71

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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.