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Finding the Fourth Proportional to 409,554.45, 613,923.44 and 195,928.29

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Solution

The fourth proportional to 409,554.45, 613,923.44 and 195,928.29 is: 293,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,554.45 : 613,923.44 = 195,928.29 : x
  2. Step 2: Convert to fraction form
    409,554.45/613,923.44 = 195,928.29/x
  3. Step 3: Cross multiply
    409,554.45x = 613,923.44 × 195,928.29
  4. Step 4: Simplify right side
    409,554.45x = 120,284,968,810.48
  5. Step 5: Solve for x
    x = 120,284,968,810.48/409,554.45
  6. Step 6: Final answer
    x = 293,697.14

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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.