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Finding the Fourth Proportional to 303,926.62, 455,482.42 and 236,540.02

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Solution

The fourth proportional to 303,926.62, 455,482.42 and 236,540.02 is: 354,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,926.62 : 455,482.42 = 236,540.02 : x
  2. Step 2: Convert to fraction form
    303,926.62/455,482.42 = 236,540.02/x
  3. Step 3: Cross multiply
    303,926.62x = 455,482.42 × 236,540.02
  4. Step 4: Simplify right side
    303,926.62x = 107,739,820,736.45
  5. Step 5: Solve for x
    x = 107,739,820,736.45/303,926.62
  6. Step 6: Final answer
    x = 354,492.87

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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.