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Finding the Fourth Proportional to 325,683.91, 487,804.06 and 250,248.79

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Solution

The fourth proportional to 325,683.91, 487,804.06 and 250,248.79 is: 374,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,683.91 : 487,804.06 = 250,248.79 : x
  2. Step 2: Convert to fraction form
    325,683.91/487,804.06 = 250,248.79/x
  3. Step 3: Cross multiply
    325,683.91x = 487,804.06 × 250,248.79
  4. Step 4: Simplify right side
    325,683.91x = 122,072,372,081.82
  5. Step 5: Solve for x
    x = 122,072,372,081.82/325,683.91
  6. Step 6: Final answer
    x = 374,818.56

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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.