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Finding the Fourth Proportional to 325,580.83, 488,537.94 and 154,995.61

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Solution

The fourth proportional to 325,580.83, 488,537.94 and 154,995.61 is: 232,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,580.83 : 488,537.94 = 154,995.61 : x
  2. Step 2: Convert to fraction form
    325,580.83/488,537.94 = 154,995.61/x
  3. Step 3: Cross multiply
    325,580.83x = 488,537.94 × 154,995.61
  4. Step 4: Simplify right side
    325,580.83x = 75,721,236,018.44
  5. Step 5: Solve for x
    x = 75,721,236,018.44/325,580.83
  6. Step 6: Final answer
    x = 232,572.77

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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.