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Finding the Fourth Proportional to 590,092.99, 813,892.41 and 406,389.89

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Solution

The fourth proportional to 590,092.99, 813,892.41 and 406,389.89 is: 560,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,092.99 : 813,892.41 = 406,389.89 : x
  2. Step 2: Convert to fraction form
    590,092.99/813,892.41 = 406,389.89/x
  3. Step 3: Cross multiply
    590,092.99x = 813,892.41 × 406,389.89
  4. Step 4: Simplify right side
    590,092.99x = 330,757,649,006.47
  5. Step 5: Solve for x
    x = 330,757,649,006.47/590,092.99
  6. Step 6: Final answer
    x = 560,517.84

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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.