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Finding the Fourth Proportional to 336,887.80, 505,331.70 and 159,740.80

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Solution

The fourth proportional to 336,887.80, 505,331.70 and 159,740.80 is: 239,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,887.80 : 505,331.70 = 159,740.80 : x
  2. Step 2: Convert to fraction form
    336,887.80/505,331.70 = 159,740.80/x
  3. Step 3: Cross multiply
    336,887.80x = 505,331.70 × 159,740.80
  4. Step 4: Simplify right side
    336,887.80x = 80,722,090,023.36
  5. Step 5: Solve for x
    x = 80,722,090,023.36/336,887.80
  6. Step 6: Final answer
    x = 239,611.20

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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.