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Finding the Fourth Proportional to 431,634.36, 595,643.61 and 250,334.67

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Solution

The fourth proportional to 431,634.36, 595,643.61 and 250,334.67 is: 345,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,634.36 : 595,643.61 = 250,334.67 : x
  2. Step 2: Convert to fraction form
    431,634.36/595,643.61 = 250,334.67/x
  3. Step 3: Cross multiply
    431,634.36x = 595,643.61 × 250,334.67
  4. Step 4: Simplify right side
    431,634.36x = 149,110,246,546.96
  5. Step 5: Solve for x
    x = 149,110,246,546.96/431,634.36
  6. Step 6: Final answer
    x = 345,455.00

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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.