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Finding the Fourth Proportional to 370,745.28, 555,785.01 and 170,963.64

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Solution

The fourth proportional to 370,745.28, 555,785.01 and 170,963.64 is: 256,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,745.28 : 555,785.01 = 170,963.64 : x
  2. Step 2: Convert to fraction form
    370,745.28/555,785.01 = 170,963.64/x
  3. Step 3: Cross multiply
    370,745.28x = 555,785.01 × 170,963.64
  4. Step 4: Simplify right side
    370,745.28x = 95,019,028,367.04
  5. Step 5: Solve for x
    x = 95,019,028,367.04/370,745.28
  6. Step 6: Final answer
    x = 256,291.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.