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Finding the Fourth Proportional to 325,246.66, 487,916.48 and 100,626.28

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Solution

The fourth proportional to 325,246.66, 487,916.48 and 100,626.28 is: 150,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,246.66 : 487,916.48 = 100,626.28 : x
  2. Step 2: Convert to fraction form
    325,246.66/487,916.48 = 100,626.28/x
  3. Step 3: Cross multiply
    325,246.66x = 487,916.48 × 100,626.28
  4. Step 4: Simplify right side
    325,246.66x = 49,097,220,333.09
  5. Step 5: Solve for x
    x = 49,097,220,333.09/325,246.66
  6. Step 6: Final answer
    x = 150,953.80

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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.