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Finding the Fourth Proportional to 523,365.44, 784,857.68 and 223,867.92

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Solution

The fourth proportional to 523,365.44, 784,857.68 and 223,867.92 is: 335,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,365.44 : 784,857.68 = 223,867.92 : x
  2. Step 2: Convert to fraction form
    523,365.44/784,857.68 = 223,867.92/x
  3. Step 3: Cross multiply
    523,365.44x = 784,857.68 × 223,867.92
  4. Step 4: Simplify right side
    523,365.44x = 175,704,456,317.63
  5. Step 5: Solve for x
    x = 175,704,456,317.63/523,365.44
  6. Step 6: Final answer
    x = 335,720.40

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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.