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Finding the Fourth Proportional to 308,481.33, 425,725.93 and 172,527.93

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Solution

The fourth proportional to 308,481.33, 425,725.93 and 172,527.93 is: 238,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,481.33 : 425,725.93 = 172,527.93 : x
  2. Step 2: Convert to fraction form
    308,481.33/425,725.93 = 172,527.93/x
  3. Step 3: Cross multiply
    308,481.33x = 425,725.93 × 172,527.93
  4. Step 4: Simplify right side
    308,481.33x = 73,449,610,458.96
  5. Step 5: Solve for x
    x = 73,449,610,458.96/308,481.33
  6. Step 6: Final answer
    x = 238,100.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.