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Finding the Fourth Proportional to 240,355.40, 360,533.10 and 202,301.60

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Solution

The fourth proportional to 240,355.40, 360,533.10 and 202,301.60 is: 303,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,355.40 : 360,533.10 = 202,301.60 : x
  2. Step 2: Convert to fraction form
    240,355.40/360,533.10 = 202,301.60/x
  3. Step 3: Cross multiply
    240,355.40x = 360,533.10 × 202,301.60
  4. Step 4: Simplify right side
    240,355.40x = 72,936,422,982.96
  5. Step 5: Solve for x
    x = 72,936,422,982.96/240,355.40
  6. Step 6: Final answer
    x = 303,452.40

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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.