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Finding the Fourth Proportional to 431,796.20, 595,639.14 and 252,913.64

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Solution

The fourth proportional to 431,796.20, 595,639.14 and 252,913.64 is: 348,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,796.20 : 595,639.14 = 252,913.64 : x
  2. Step 2: Convert to fraction form
    431,796.20/595,639.14 = 252,913.64/x
  3. Step 3: Cross multiply
    431,796.20x = 595,639.14 × 252,913.64
  4. Step 4: Simplify right side
    431,796.20x = 150,645,263,023.87
  5. Step 5: Solve for x
    x = 150,645,263,023.87/431,796.20
  6. Step 6: Final answer
    x = 348,880.47

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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.