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Finding the Fourth Proportional to 593,063.10, 818,412 and 331,420.62

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Solution

The fourth proportional to 593,063.10, 818,412 and 331,420.62 is: 457,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,063.10 : 818,412 = 331,420.62 : x
  2. Step 2: Convert to fraction form
    593,063.10/818,412 = 331,420.62/x
  3. Step 3: Cross multiply
    593,063.10x = 818,412 × 331,420.62
  4. Step 4: Simplify right side
    593,063.10x = 271,238,612,455.44
  5. Step 5: Solve for x
    x = 271,238,612,455.44/593,063.10
  6. Step 6: Final answer
    x = 457,352.03

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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.