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Finding the Fourth Proportional to 336,564.25, 504,698.34 and 126,054.56

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Solution

The fourth proportional to 336,564.25, 504,698.34 and 126,054.56 is: 189,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,564.25 : 504,698.34 = 126,054.56 : x
  2. Step 2: Convert to fraction form
    336,564.25/504,698.34 = 126,054.56/x
  3. Step 3: Cross multiply
    336,564.25x = 504,698.34 × 126,054.56
  4. Step 4: Simplify right side
    336,564.25x = 63,619,528,915.88
  5. Step 5: Solve for x
    x = 63,619,528,915.88/336,564.25
  6. Step 6: Final answer
    x = 189,026.40

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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.