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Finding the Fourth Proportional to 303,181.98, 455,088.40 and 223,310.14

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Solution

The fourth proportional to 303,181.98, 455,088.40 and 223,310.14 is: 335,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,181.98 : 455,088.40 = 223,310.14 : x
  2. Step 2: Convert to fraction form
    303,181.98/455,088.40 = 223,310.14/x
  3. Step 3: Cross multiply
    303,181.98x = 455,088.40 × 223,310.14
  4. Step 4: Simplify right side
    303,181.98x = 101,625,854,316.38
  5. Step 5: Solve for x
    x = 101,625,854,316.38/303,181.98
  6. Step 6: Final answer
    x = 335,197.54

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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.