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Finding the Fourth Proportional to 195,428.80, 274,222.40 and 195,428.80

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Solution

The fourth proportional to 195,428.80, 274,222.40 and 195,428.80 is: 274,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,428.80 : 274,222.40 = 195,428.80 : x
  2. Step 2: Convert to fraction form
    195,428.80/274,222.40 = 195,428.80/x
  3. Step 3: Cross multiply
    195,428.80x = 274,222.40 × 195,428.80
  4. Step 4: Simplify right side
    195,428.80x = 53,590,954,565.12
  5. Step 5: Solve for x
    x = 53,590,954,565.12/195,428.80
  6. Step 6: Final answer
    x = 274,222.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.