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Finding the Fourth Proportional to 260,379.01, 359,178.22 and 151,471.05

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Solution

The fourth proportional to 260,379.01, 359,178.22 and 151,471.05 is: 208,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,379.01 : 359,178.22 = 151,471.05 : x
  2. Step 2: Convert to fraction form
    260,379.01/359,178.22 = 151,471.05/x
  3. Step 3: Cross multiply
    260,379.01x = 359,178.22 × 151,471.05
  4. Step 4: Simplify right side
    260,379.01x = 54,405,102,120.53
  5. Step 5: Solve for x
    x = 54,405,102,120.53/260,379.01
  6. Step 6: Final answer
    x = 208,945.81

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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.