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Finding the Fourth Proportional to 335,989.58, 503,984.37 and 252,008.78

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Solution

The fourth proportional to 335,989.58, 503,984.37 and 252,008.78 is: 378,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,989.58 : 503,984.37 = 252,008.78 : x
  2. Step 2: Convert to fraction form
    335,989.58/503,984.37 = 252,008.78/x
  3. Step 3: Cross multiply
    335,989.58x = 503,984.37 × 252,008.78
  4. Step 4: Simplify right side
    335,989.58x = 127,008,482,442.80
  5. Step 5: Solve for x
    x = 127,008,482,442.80/335,989.58
  6. Step 6: Final answer
    x = 378,013.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.