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Finding the Fourth Proportional to 344,999.92, 517,470.22 and 210,028.94

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Solution

The fourth proportional to 344,999.92, 517,470.22 and 210,028.94 is: 315,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,999.92 : 517,470.22 = 210,028.94 : x
  2. Step 2: Convert to fraction form
    344,999.92/517,470.22 = 210,028.94/x
  3. Step 3: Cross multiply
    344,999.92x = 517,470.22 × 210,028.94
  4. Step 4: Simplify right side
    344,999.92x = 108,683,721,788.17
  5. Step 5: Solve for x
    x = 108,683,721,788.17/344,999.92
  6. Step 6: Final answer
    x = 315,025.35

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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.