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Finding the Fourth Proportional to 275,769.06, 380,602.50 and 168,401.34

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Solution

The fourth proportional to 275,769.06, 380,602.50 and 168,401.34 is: 232,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,769.06 : 380,602.50 = 168,401.34 : x
  2. Step 2: Convert to fraction form
    275,769.06/380,602.50 = 168,401.34/x
  3. Step 3: Cross multiply
    275,769.06x = 380,602.50 × 168,401.34
  4. Step 4: Simplify right side
    275,769.06x = 64,093,971,007.35
  5. Step 5: Solve for x
    x = 64,093,971,007.35/275,769.06
  6. Step 6: Final answer
    x = 232,419.01

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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.