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Finding the Fourth Proportional to 253,969.88, 350,407.50 and 200,087.64

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Solution

The fourth proportional to 253,969.88, 350,407.50 and 200,087.64 is: 276,065.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,969.88 : 350,407.50 = 200,087.64 : x
  2. Step 2: Convert to fraction form
    253,969.88/350,407.50 = 200,087.64/x
  3. Step 3: Cross multiply
    253,969.88x = 350,407.50 × 200,087.64
  4. Step 4: Simplify right side
    253,969.88x = 70,112,209,713.30
  5. Step 5: Solve for x
    x = 70,112,209,713.30/253,969.88
  6. Step 6: Final answer
    x = 276,065.06

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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.