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Finding the Fourth Proportional to 382,397.99, 573,598.34 and 171,789.89

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Solution

The fourth proportional to 382,397.99, 573,598.34 and 171,789.89 is: 257,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,397.99 : 573,598.34 = 171,789.89 : x
  2. Step 2: Convert to fraction form
    382,397.99/573,598.34 = 171,789.89/x
  3. Step 3: Cross multiply
    382,397.99x = 573,598.34 × 171,789.89
  4. Step 4: Simplify right side
    382,397.99x = 98,538,392,005.84
  5. Step 5: Solve for x
    x = 98,538,392,005.84/382,397.99
  6. Step 6: Final answer
    x = 257,685.44

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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.