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Finding the Fourth Proportional to 325,349.33, 449,007.71 and 239,699.93

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Solution

The fourth proportional to 325,349.33, 449,007.71 and 239,699.93 is: 330,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,349.33 : 449,007.71 = 239,699.93 : x
  2. Step 2: Convert to fraction form
    325,349.33/449,007.71 = 239,699.93/x
  3. Step 3: Cross multiply
    325,349.33x = 449,007.71 × 239,699.93
  4. Step 4: Simplify right side
    325,349.33x = 107,627,113,212.92
  5. Step 5: Solve for x
    x = 107,627,113,212.92/325,349.33
  6. Step 6: Final answer
    x = 330,804.78

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1.5x scale

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.