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Finding the Fourth Proportional to 262,206.30, 392,325.30 and 173,632.80

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Solution

The fourth proportional to 262,206.30, 392,325.30 and 173,632.80 is: 259,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,206.30 : 392,325.30 = 173,632.80 : x
  2. Step 2: Convert to fraction form
    262,206.30/392,325.30 = 173,632.80/x
  3. Step 3: Cross multiply
    262,206.30x = 392,325.30 × 173,632.80
  4. Step 4: Simplify right side
    262,206.30x = 68,120,540,349.84
  5. Step 5: Solve for x
    x = 68,120,540,349.84/262,206.30
  6. Step 6: Final answer
    x = 259,797.50

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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.