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Finding the Fourth Proportional to 325,308.82, 448,611.23 and 253,662.70

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Solution

The fourth proportional to 325,308.82, 448,611.23 and 253,662.70 is: 349,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,308.82 : 448,611.23 = 253,662.70 : x
  2. Step 2: Convert to fraction form
    325,308.82/448,611.23 = 253,662.70/x
  3. Step 3: Cross multiply
    325,308.82x = 448,611.23 × 253,662.70
  4. Step 4: Simplify right side
    325,308.82x = 113,795,934,583.81
  5. Step 5: Solve for x
    x = 113,795,934,583.81/325,308.82
  6. Step 6: Final answer
    x = 349,808.94

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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.