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Finding the Fourth Proportional to 447,588.18, 671,375.66 and 110,628.86

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Solution

The fourth proportional to 447,588.18, 671,375.66 and 110,628.86 is: 165,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,588.18 : 671,375.66 = 110,628.86 : x
  2. Step 2: Convert to fraction form
    447,588.18/671,375.66 = 110,628.86/x
  3. Step 3: Cross multiply
    447,588.18x = 671,375.66 × 110,628.86
  4. Step 4: Simplify right side
    447,588.18x = 74,273,526,585.69
  5. Step 5: Solve for x
    x = 74,273,526,585.69/447,588.18
  6. Step 6: Final answer
    x = 165,941.66

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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.