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Finding the Fourth Proportional to 334,396.80, 461,505.60 and 200,260.80

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Solution

The fourth proportional to 334,396.80, 461,505.60 and 200,260.80 is: 276,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,396.80 : 461,505.60 = 200,260.80 : x
  2. Step 2: Convert to fraction form
    334,396.80/461,505.60 = 200,260.80/x
  3. Step 3: Cross multiply
    334,396.80x = 461,505.60 × 200,260.80
  4. Step 4: Simplify right side
    334,396.80x = 92,421,480,660.48
  5. Step 5: Solve for x
    x = 92,421,480,660.48/334,396.80
  6. Step 6: Final answer
    x = 276,382.67

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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.