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Finding the Fourth Proportional to 225,652.92, 311,221.64 and 191,773.55

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Solution

The fourth proportional to 225,652.92, 311,221.64 and 191,773.55 is: 264,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,652.92 : 311,221.64 = 191,773.55 : x
  2. Step 2: Convert to fraction form
    225,652.92/311,221.64 = 191,773.55/x
  3. Step 3: Cross multiply
    225,652.92x = 311,221.64 × 191,773.55
  4. Step 4: Simplify right side
    225,652.92x = 59,684,076,224.65
  5. Step 5: Solve for x
    x = 59,684,076,224.65/225,652.92
  6. Step 6: Final answer
    x = 264,495.03

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1.5x scale

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.