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Finding the Fourth Proportional to 593,171.70, 818,658.41 and 363,688.43

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Solution

The fourth proportional to 593,171.70, 818,658.41 and 363,688.43 is: 501,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,171.70 : 818,658.41 = 363,688.43 : x
  2. Step 2: Convert to fraction form
    593,171.70/818,658.41 = 363,688.43/x
  3. Step 3: Cross multiply
    593,171.70x = 818,658.41 × 363,688.43
  4. Step 4: Simplify right side
    593,171.70x = 297,736,585,927.46
  5. Step 5: Solve for x
    x = 297,736,585,927.46/593,171.70
  6. Step 6: Final answer
    x = 501,939.97

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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.