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Finding the Fourth Proportional to 202,402.40, 303,603.60 and 196,570.40

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Solution

The fourth proportional to 202,402.40, 303,603.60 and 196,570.40 is: 294,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,402.40 : 303,603.60 = 196,570.40 : x
  2. Step 2: Convert to fraction form
    202,402.40/303,603.60 = 196,570.40/x
  3. Step 3: Cross multiply
    202,402.40x = 303,603.60 × 196,570.40
  4. Step 4: Simplify right side
    202,402.40x = 59,679,481,093.44
  5. Step 5: Solve for x
    x = 59,679,481,093.44/202,402.40
  6. Step 6: Final answer
    x = 294,855.60

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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.