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Finding the Fourth Proportional to 446,991.50, 616,848.27 and 245,787.50

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Solution

The fourth proportional to 446,991.50, 616,848.27 and 245,787.50 is: 339,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,991.50 : 616,848.27 = 245,787.50 : x
  2. Step 2: Convert to fraction form
    446,991.50/616,848.27 = 245,787.50/x
  3. Step 3: Cross multiply
    446,991.50x = 616,848.27 × 245,787.50
  4. Step 4: Simplify right side
    446,991.50x = 151,613,594,162.63
  5. Step 5: Solve for x
    x = 151,613,594,162.63/446,991.50
  6. Step 6: Final answer
    x = 339,186.75

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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.