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Finding the Fourth Proportional to 658,579.87, 987,937.56 and 248,594.51

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Solution

The fourth proportional to 658,579.87, 987,937.56 and 248,594.51 is: 372,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,579.87 : 987,937.56 = 248,594.51 : x
  2. Step 2: Convert to fraction form
    658,579.87/987,937.56 = 248,594.51/x
  3. Step 3: Cross multiply
    658,579.87x = 987,937.56 × 248,594.51
  4. Step 4: Simplify right side
    658,579.87x = 245,595,848,699.11
  5. Step 5: Solve for x
    x = 245,595,848,699.11/658,579.87
  6. Step 6: Final answer
    x = 372,917.33

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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.