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Finding the Fourth Proportional to 593,443.60, 818,505.48 and 412,155.88

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Solution

The fourth proportional to 593,443.60, 818,505.48 and 412,155.88 is: 568,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,443.60 : 818,505.48 = 412,155.88 : x
  2. Step 2: Convert to fraction form
    593,443.60/818,505.48 = 412,155.88/x
  3. Step 3: Cross multiply
    593,443.60x = 818,505.48 × 412,155.88
  4. Step 4: Simplify right side
    593,443.60x = 337,351,846,394.22
  5. Step 5: Solve for x
    x = 337,351,846,394.22/593,443.60
  6. Step 6: Final answer
    x = 568,464.88

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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.