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Finding the Fourth Proportional to 325,036.80, 448,675.20 and 197,704.80

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Solution

The fourth proportional to 325,036.80, 448,675.20 and 197,704.80 is: 272,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,036.80 : 448,675.20 = 197,704.80 : x
  2. Step 2: Convert to fraction form
    325,036.80/448,675.20 = 197,704.80/x
  3. Step 3: Cross multiply
    325,036.80x = 448,675.20 × 197,704.80
  4. Step 4: Simplify right side
    325,036.80x = 88,705,240,680.96
  5. Step 5: Solve for x
    x = 88,705,240,680.96/325,036.80
  6. Step 6: Final answer
    x = 272,908.30

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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.