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Finding the Fourth Proportional to 276,256.44, 380,866.86 and 180,598.68

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Solution

The fourth proportional to 276,256.44, 380,866.86 and 180,598.68 is: 248,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,256.44 : 380,866.86 = 180,598.68 : x
  2. Step 2: Convert to fraction form
    276,256.44/380,866.86 = 180,598.68/x
  3. Step 3: Cross multiply
    276,256.44x = 380,866.86 × 180,598.68
  4. Step 4: Simplify right side
    276,256.44x = 68,784,052,171.74
  5. Step 5: Solve for x
    x = 68,784,052,171.74/276,256.44
  6. Step 6: Final answer
    x = 248,986.24

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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.