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Finding the Fourth Proportional to 276,187.52, 412,265.01 and 236,996.48

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Solution

The fourth proportional to 276,187.52, 412,265.01 and 236,996.48 is: 353,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,187.52 : 412,265.01 = 236,996.48 : x
  2. Step 2: Convert to fraction form
    276,187.52/412,265.01 = 236,996.48/x
  3. Step 3: Cross multiply
    276,187.52x = 412,265.01 × 236,996.48
  4. Step 4: Simplify right side
    276,187.52x = 97,705,358,116.56
  5. Step 5: Solve for x
    x = 97,705,358,116.56/276,187.52
  6. Step 6: Final answer
    x = 353,764.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.