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Finding the Fourth Proportional to 590,860.56, 815,377.14 and 336,206.28

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Solution

The fourth proportional to 590,860.56, 815,377.14 and 336,206.28 is: 463,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,860.56 : 815,377.14 = 336,206.28 : x
  2. Step 2: Convert to fraction form
    590,860.56/815,377.14 = 336,206.28/x
  3. Step 3: Cross multiply
    590,860.56x = 815,377.14 × 336,206.28
  4. Step 4: Simplify right side
    590,860.56x = 274,134,915,036.44
  5. Step 5: Solve for x
    x = 274,134,915,036.44/590,860.56
  6. Step 6: Final answer
    x = 463,958.73

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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.