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Finding the Fourth Proportional to 325,348.88, 448,956.94 and 198,010.40

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Solution

The fourth proportional to 325,348.88, 448,956.94 and 198,010.40 is: 273,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,348.88 : 448,956.94 = 198,010.40 : x
  2. Step 2: Convert to fraction form
    325,348.88/448,956.94 = 198,010.40/x
  3. Step 3: Cross multiply
    325,348.88x = 448,956.94 × 198,010.40
  4. Step 4: Simplify right side
    325,348.88x = 88,898,143,272.18
  5. Step 5: Solve for x
    x = 88,898,143,272.18/325,348.88
  6. Step 6: Final answer
    x = 273,239.43

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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.