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Finding the Fourth Proportional to 303,672.13, 419,068.25 and 167,703.60

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Solution

The fourth proportional to 303,672.13, 419,068.25 and 167,703.60 is: 231,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,672.13 : 419,068.25 = 167,703.60 : x
  2. Step 2: Convert to fraction form
    303,672.13/419,068.25 = 167,703.60/x
  3. Step 3: Cross multiply
    303,672.13x = 419,068.25 × 167,703.60
  4. Step 4: Simplify right side
    303,672.13x = 70,279,254,170.70
  5. Step 5: Solve for x
    x = 70,279,254,170.70/303,672.13
  6. Step 6: Final answer
    x = 231,431.36

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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.