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Finding the Fourth Proportional to 270,769.32, 373,608.72 and 170,109

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Solution

The fourth proportional to 270,769.32, 373,608.72 and 170,109 is: 234,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,769.32 : 373,608.72 = 170,109 : x
  2. Step 2: Convert to fraction form
    270,769.32/373,608.72 = 170,109/x
  3. Step 3: Cross multiply
    270,769.32x = 373,608.72 × 170,109
  4. Step 4: Simplify right side
    270,769.32x = 63,554,205,750.48
  5. Step 5: Solve for x
    x = 63,554,205,750.48/270,769.32
  6. Step 6: Final answer
    x = 234,717.16

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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.