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Finding the Fourth Proportional to 275,323.60, 413,228.40 and 162,863.20

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Solution

The fourth proportional to 275,323.60, 413,228.40 and 162,863.20 is: 244,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,323.60 : 413,228.40 = 162,863.20 : x
  2. Step 2: Convert to fraction form
    275,323.60/413,228.40 = 162,863.20/x
  3. Step 3: Cross multiply
    275,323.60x = 413,228.40 × 162,863.20
  4. Step 4: Simplify right side
    275,323.60x = 67,299,699,554.88
  5. Step 5: Solve for x
    x = 67,299,699,554.88/275,323.60
  6. Step 6: Final answer
    x = 244,438.54

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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.