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Finding the Fourth Proportional to 590,964.14, 815,561.04 and 361,449.42

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Solution

The fourth proportional to 590,964.14, 815,561.04 and 361,449.42 is: 498,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,964.14 : 815,561.04 = 361,449.42 : x
  2. Step 2: Convert to fraction form
    590,964.14/815,561.04 = 361,449.42/x
  3. Step 3: Cross multiply
    590,964.14x = 815,561.04 × 361,449.42
  4. Step 4: Simplify right side
    590,964.14x = 294,784,064,882.60
  5. Step 5: Solve for x
    x = 294,784,064,882.60/590,964.14
  6. Step 6: Final answer
    x = 498,818.87

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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.