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Finding the Fourth Proportional to 202,998.40, 304,497.60 and 193,321.60

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Solution

The fourth proportional to 202,998.40, 304,497.60 and 193,321.60 is: 289,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,998.40 : 304,497.60 = 193,321.60 : x
  2. Step 2: Convert to fraction form
    202,998.40/304,497.60 = 193,321.60/x
  3. Step 3: Cross multiply
    202,998.40x = 304,497.60 × 193,321.60
  4. Step 4: Simplify right side
    202,998.40x = 58,865,963,228.16
  5. Step 5: Solve for x
    x = 58,865,963,228.16/202,998.40
  6. Step 6: Final answer
    x = 289,982.40

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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.