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Finding the Fourth Proportional to 336,231.36, 504,354.24 and 99,578.88

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Solution

The fourth proportional to 336,231.36, 504,354.24 and 99,578.88 is: 149,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,231.36 : 504,354.24 = 99,578.88 : x
  2. Step 2: Convert to fraction form
    336,231.36/504,354.24 = 99,578.88/x
  3. Step 3: Cross multiply
    336,231.36x = 504,354.24 × 99,578.88
  4. Step 4: Simplify right side
    336,231.36x = 50,223,030,342.45
  5. Step 5: Solve for x
    x = 50,223,030,342.45/336,231.36
  6. Step 6: Final answer
    x = 149,370.45

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1.5x scale

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.