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Finding the Fourth Proportional to 448,755.12, 672,615.90 and 182,223

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Solution

The fourth proportional to 448,755.12, 672,615.90 and 182,223 is: 273,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,755.12 : 672,615.90 = 182,223 : x
  2. Step 2: Convert to fraction form
    448,755.12/672,615.90 = 182,223/x
  3. Step 3: Cross multiply
    448,755.12x = 672,615.90 × 182,223
  4. Step 4: Simplify right side
    448,755.12x = 122,566,087,145.70
  5. Step 5: Solve for x
    x = 122,566,087,145.70/448,755.12
  6. Step 6: Final answer
    x = 273,124.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.