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Finding the Fourth Proportional to 202,402.90, 303,604.35 and 196,570.90

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Solution

The fourth proportional to 202,402.90, 303,604.35 and 196,570.90 is: 294,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,402.90 : 303,604.35 = 196,570.90 : x
  2. Step 2: Convert to fraction form
    202,402.90/303,604.35 = 196,570.90/x
  3. Step 3: Cross multiply
    202,402.90x = 303,604.35 × 196,570.90
  4. Step 4: Simplify right side
    202,402.90x = 59,679,780,323.42
  5. Step 5: Solve for x
    x = 59,679,780,323.42/202,402.90
  6. Step 6: Final answer
    x = 294,856.35

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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.