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Finding the Fourth Proportional to 593,213.94, 818,685.65 and 335,138.29

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Solution

The fourth proportional to 593,213.94, 818,685.65 and 335,138.29 is: 462,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,213.94 : 818,685.65 = 335,138.29 : x
  2. Step 2: Convert to fraction form
    593,213.94/818,685.65 = 335,138.29/x
  3. Step 3: Cross multiply
    593,213.94x = 818,685.65 × 335,138.29
  4. Step 4: Simplify right side
    593,213.94x = 274,372,908,788.54
  5. Step 5: Solve for x
    x = 274,372,908,788.54/593,213.94
  6. Step 6: Final answer
    x = 462,519.32

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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.