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Finding the Fourth Proportional to 233,998.60, 350,997.90 and 155,201.80

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Solution

The fourth proportional to 233,998.60, 350,997.90 and 155,201.80 is: 232,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,998.60 : 350,997.90 = 155,201.80 : x
  2. Step 2: Convert to fraction form
    233,998.60/350,997.90 = 155,201.80/x
  3. Step 3: Cross multiply
    233,998.60x = 350,997.90 × 155,201.80
  4. Step 4: Simplify right side
    233,998.60x = 54,475,505,876.22
  5. Step 5: Solve for x
    x = 54,475,505,876.22/233,998.60
  6. Step 6: Final answer
    x = 232,802.70

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1.5x scale

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.