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Finding the Fourth Proportional to 218,363.40, 327,541.44 and 98,353.60

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Solution

The fourth proportional to 218,363.40, 327,541.44 and 98,353.60 is: 147,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,363.40 : 327,541.44 = 98,353.60 : x
  2. Step 2: Convert to fraction form
    218,363.40/327,541.44 = 98,353.60/x
  3. Step 3: Cross multiply
    218,363.40x = 327,541.44 × 98,353.60
  4. Step 4: Simplify right side
    218,363.40x = 32,214,879,773.18
  5. Step 5: Solve for x
    x = 32,214,879,773.18/218,363.40
  6. Step 6: Final answer
    x = 147,528.75

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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.