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Finding the Fourth Proportional to 348,361.34, 480,744.25 and 195,433.56

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Solution

The fourth proportional to 348,361.34, 480,744.25 and 195,433.56 is: 269,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,361.34 : 480,744.25 = 195,433.56 : x
  2. Step 2: Convert to fraction form
    348,361.34/480,744.25 = 195,433.56/x
  3. Step 3: Cross multiply
    348,361.34x = 480,744.25 × 195,433.56
  4. Step 4: Simplify right side
    348,361.34x = 93,953,559,738.45
  5. Step 5: Solve for x
    x = 93,953,559,738.45/348,361.34
  6. Step 6: Final answer
    x = 269,701.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.