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Finding the Fourth Proportional to 303,045, 418,204.50 and 167,083.80

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Solution

The fourth proportional to 303,045, 418,204.50 and 167,083.80 is: 230,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,045 : 418,204.50 = 167,083.80 : x
  2. Step 2: Convert to fraction form
    303,045/418,204.50 = 167,083.80/x
  3. Step 3: Cross multiply
    303,045x = 418,204.50 × 167,083.80
  4. Step 4: Simplify right side
    303,045x = 69,875,197,037.10
  5. Step 5: Solve for x
    x = 69,875,197,037.10/303,045
  6. Step 6: Final answer
    x = 230,576.97

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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.