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Finding the Fourth Proportional to 470,202.67, 648,892.56 and 276,624.01

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Solution

The fourth proportional to 470,202.67, 648,892.56 and 276,624.01 is: 381,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,202.67 : 648,892.56 = 276,624.01 : x
  2. Step 2: Convert to fraction form
    470,202.67/648,892.56 = 276,624.01/x
  3. Step 3: Cross multiply
    470,202.67x = 648,892.56 × 276,624.01
  4. Step 4: Simplify right side
    470,202.67x = 179,499,262,006.37
  5. Step 5: Solve for x
    x = 179,499,262,006.37/470,202.67
  6. Step 6: Final answer
    x = 381,748.71

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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.