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Finding the Fourth Proportional to 301,847.20, 452,770.80 and 161,879.20

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Solution

The fourth proportional to 301,847.20, 452,770.80 and 161,879.20 is: 242,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,847.20 : 452,770.80 = 161,879.20 : x
  2. Step 2: Convert to fraction form
    301,847.20/452,770.80 = 161,879.20/x
  3. Step 3: Cross multiply
    301,847.20x = 452,770.80 × 161,879.20
  4. Step 4: Simplify right side
    301,847.20x = 73,294,174,887.36
  5. Step 5: Solve for x
    x = 73,294,174,887.36/301,847.20
  6. Step 6: Final answer
    x = 242,818.80

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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.