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Finding the Fourth Proportional to 598,920.42, 898,509.80 and 172,453.37

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Solution

The fourth proportional to 598,920.42, 898,509.80 and 172,453.37 is: 258,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,920.42 : 898,509.80 = 172,453.37 : x
  2. Step 2: Convert to fraction form
    598,920.42/898,509.80 = 172,453.37/x
  3. Step 3: Cross multiply
    598,920.42x = 898,509.80 × 172,453.37
  4. Step 4: Simplify right side
    598,920.42x = 154,951,045,665.43
  5. Step 5: Solve for x
    x = 154,951,045,665.43/598,920.42
  6. Step 6: Final answer
    x = 258,717.25

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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.