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Finding the Fourth Proportional to 276,007.48, 380,892.44 and 153,501.58

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Solution

The fourth proportional to 276,007.48, 380,892.44 and 153,501.58 is: 211,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,007.48 : 380,892.44 = 153,501.58 : x
  2. Step 2: Convert to fraction form
    276,007.48/380,892.44 = 153,501.58/x
  3. Step 3: Cross multiply
    276,007.48x = 380,892.44 × 153,501.58
  4. Step 4: Simplify right side
    276,007.48x = 58,467,591,350.06
  5. Step 5: Solve for x
    x = 58,467,591,350.06/276,007.48
  6. Step 6: Final answer
    x = 211,833.36

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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.