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Finding the Fourth Proportional to 468,842.00, 647,001.32 and 253,982.93

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Solution

The fourth proportional to 468,842.00, 647,001.32 and 253,982.93 is: 350,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,842.00 : 647,001.32 = 253,982.93 : x
  2. Step 2: Convert to fraction form
    468,842.00/647,001.32 = 253,982.93/x
  3. Step 3: Cross multiply
    468,842.00x = 647,001.32 × 253,982.93
  4. Step 4: Simplify right side
    468,842.00x = 164,327,286,462.55
  5. Step 5: Solve for x
    x = 164,327,286,462.55/468,842.00
  6. Step 6: Final answer
    x = 350,496.09

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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.