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Finding the Fourth Proportional to 320,274.62, 441,979.08 and 175,081.04

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Solution

The fourth proportional to 320,274.62, 441,979.08 and 175,081.04 is: 241,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,274.62 : 441,979.08 = 175,081.04 : x
  2. Step 2: Convert to fraction form
    320,274.62/441,979.08 = 175,081.04/x
  3. Step 3: Cross multiply
    320,274.62x = 441,979.08 × 175,081.04
  4. Step 4: Simplify right side
    320,274.62x = 77,382,157,264.89
  5. Step 5: Solve for x
    x = 77,382,157,264.89/320,274.62
  6. Step 6: Final answer
    x = 241,611.89

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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.