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Finding the Fourth Proportional to 336,427.62, 504,650.54 and 83,697.90

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Solution

The fourth proportional to 336,427.62, 504,650.54 and 83,697.90 is: 125,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,427.62 : 504,650.54 = 83,697.90 : x
  2. Step 2: Convert to fraction form
    336,427.62/504,650.54 = 83,697.90/x
  3. Step 3: Cross multiply
    336,427.62x = 504,650.54 × 83,697.90
  4. Step 4: Simplify right side
    336,427.62x = 42,238,190,431.87
  5. Step 5: Solve for x
    x = 42,238,190,431.87/336,427.62
  6. Step 6: Final answer
    x = 125,549.12

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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.