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Finding the Fourth Proportional to 469,958.02, 648,542.46 and 255,097.96

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Solution

The fourth proportional to 469,958.02, 648,542.46 and 255,097.96 is: 352,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,958.02 : 648,542.46 = 255,097.96 : x
  2. Step 2: Convert to fraction form
    469,958.02/648,542.46 = 255,097.96/x
  3. Step 3: Cross multiply
    469,958.02x = 648,542.46 × 255,097.96
  4. Step 4: Simplify right side
    469,958.02x = 165,441,858,519.38
  5. Step 5: Solve for x
    x = 165,441,858,519.38/469,958.02
  6. Step 6: Final answer
    x = 352,035.40

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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.