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Finding the Fourth Proportional to 336,109.70, 504,164.55 and 125,720.30

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Solution

The fourth proportional to 336,109.70, 504,164.55 and 125,720.30 is: 188,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,109.70 : 504,164.55 = 125,720.30 : x
  2. Step 2: Convert to fraction form
    336,109.70/504,164.55 = 125,720.30/x
  3. Step 3: Cross multiply
    336,109.70x = 504,164.55 × 125,720.30
  4. Step 4: Simplify right side
    336,109.70x = 63,383,718,475.37
  5. Step 5: Solve for x
    x = 63,383,718,475.37/336,109.70
  6. Step 6: Final answer
    x = 188,580.45

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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.