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Finding the Fourth Proportional to 658,343.26, 987,361.53 and 185,074.30

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Solution

The fourth proportional to 658,343.26, 987,361.53 and 185,074.30 is: 277,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,343.26 : 987,361.53 = 185,074.30 : x
  2. Step 2: Convert to fraction form
    658,343.26/987,361.53 = 185,074.30/x
  3. Step 3: Cross multiply
    658,343.26x = 987,361.53 × 185,074.30
  4. Step 4: Simplify right side
    658,343.26x = 182,735,244,011.68
  5. Step 5: Solve for x
    x = 182,735,244,011.68/658,343.26
  6. Step 6: Final answer
    x = 277,568.34

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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.