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Finding the Fourth Proportional to 276,101.94, 380,929.08 and 225,026.91

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Solution

The fourth proportional to 276,101.94, 380,929.08 and 225,026.91 is: 310,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,101.94 : 380,929.08 = 225,026.91 : x
  2. Step 2: Convert to fraction form
    276,101.94/380,929.08 = 225,026.91/x
  3. Step 3: Cross multiply
    276,101.94x = 380,929.08 × 225,026.91
  4. Step 4: Simplify right side
    276,101.94x = 85,719,293,801.54
  5. Step 5: Solve for x
    x = 85,719,293,801.54/276,101.94
  6. Step 6: Final answer
    x = 310,462.48

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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.