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Finding the Fourth Proportional to 362,419.21, 543,586.58 and 96,200.43

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Solution

The fourth proportional to 362,419.21, 543,586.58 and 96,200.43 is: 144,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,419.21 : 543,586.58 = 96,200.43 : x
  2. Step 2: Convert to fraction form
    362,419.21/543,586.58 = 96,200.43/x
  3. Step 3: Cross multiply
    362,419.21x = 543,586.58 × 96,200.43
  4. Step 4: Simplify right side
    362,419.21x = 52,293,260,579.53
  5. Step 5: Solve for x
    x = 52,293,260,579.53/362,419.21
  6. Step 6: Final answer
    x = 144,289.43

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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.