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Finding the Fourth Proportional to 298,080.88, 411,399.54 and 175,593.04

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Solution

The fourth proportional to 298,080.88, 411,399.54 and 175,593.04 is: 242,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,080.88 : 411,399.54 = 175,593.04 : x
  2. Step 2: Convert to fraction form
    298,080.88/411,399.54 = 175,593.04/x
  3. Step 3: Cross multiply
    298,080.88x = 411,399.54 × 175,593.04
  4. Step 4: Simplify right side
    298,080.88x = 72,238,895,883.20
  5. Step 5: Solve for x
    x = 72,238,895,883.20/298,080.88
  6. Step 6: Final answer
    x = 242,346.63

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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.