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Finding the Fourth Proportional to 350,997.50, 484,376.66 and 198,068.19

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Solution

The fourth proportional to 350,997.50, 484,376.66 and 198,068.19 is: 273,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,997.50 : 484,376.66 = 198,068.19 : x
  2. Step 2: Convert to fraction form
    350,997.50/484,376.66 = 198,068.19/x
  3. Step 3: Cross multiply
    350,997.50x = 484,376.66 × 198,068.19
  4. Step 4: Simplify right side
    350,997.50x = 95,939,606,260.45
  5. Step 5: Solve for x
    x = 95,939,606,260.45/350,997.50
  6. Step 6: Final answer
    x = 273,334.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.