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Finding the Fourth Proportional to 479,911.10, 662,273.43 and 265,065.89

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Solution

The fourth proportional to 479,911.10, 662,273.43 and 265,065.89 is: 365,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,911.10 : 662,273.43 = 265,065.89 : x
  2. Step 2: Convert to fraction form
    479,911.10/662,273.43 = 265,065.89/x
  3. Step 3: Cross multiply
    479,911.10x = 662,273.43 × 265,065.89
  4. Step 4: Simplify right side
    479,911.10x = 175,546,096,146.30
  5. Step 5: Solve for x
    x = 175,546,096,146.30/479,911.10
  6. Step 6: Final answer
    x = 365,788.78

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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.