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Finding the Fourth Proportional to 344,447.73, 516,556.56 and 144,730.89

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Solution

The fourth proportional to 344,447.73, 516,556.56 and 144,730.89 is: 217,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,447.73 : 516,556.56 = 144,730.89 : x
  2. Step 2: Convert to fraction form
    344,447.73/516,556.56 = 144,730.89/x
  3. Step 3: Cross multiply
    344,447.73x = 516,556.56 × 144,730.89
  4. Step 4: Simplify right side
    344,447.73x = 74,761,690,664.14
  5. Step 5: Solve for x
    x = 74,761,690,664.14/344,447.73
  6. Step 6: Final answer
    x = 217,048.00

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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.