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Finding the Fourth Proportional to 445,568.96, 667,171.04 and 348,539.20

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Solution

The fourth proportional to 445,568.96, 667,171.04 and 348,539.20 is: 521,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,568.96 : 667,171.04 = 348,539.20 : x
  2. Step 2: Convert to fraction form
    445,568.96/667,171.04 = 348,539.20/x
  3. Step 3: Cross multiply
    445,568.96x = 667,171.04 × 348,539.20
  4. Step 4: Simplify right side
    445,568.96x = 232,535,260,544.77
  5. Step 5: Solve for x
    x = 232,535,260,544.77/445,568.96
  6. Step 6: Final answer
    x = 521,883.89

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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.