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Finding the Fourth Proportional to 343,700.73, 515,384.43 and 201,592.43

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Solution

The fourth proportional to 343,700.73, 515,384.43 and 201,592.43 is: 302,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,700.73 : 515,384.43 = 201,592.43 : x
  2. Step 2: Convert to fraction form
    343,700.73/515,384.43 = 201,592.43/x
  3. Step 3: Cross multiply
    343,700.73x = 515,384.43 × 201,592.43
  4. Step 4: Simplify right side
    343,700.73x = 103,897,597,050.94
  5. Step 5: Solve for x
    x = 103,897,597,050.94/343,700.73
  6. Step 6: Final answer
    x = 302,290.88

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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.