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Finding the Fourth Proportional to 350,680.80, 526,021.20 and 173,215.20

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Solution

The fourth proportional to 350,680.80, 526,021.20 and 173,215.20 is: 259,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,680.80 : 526,021.20 = 173,215.20 : x
  2. Step 2: Convert to fraction form
    350,680.80/526,021.20 = 173,215.20/x
  3. Step 3: Cross multiply
    350,680.80x = 526,021.20 × 173,215.20
  4. Step 4: Simplify right side
    350,680.80x = 91,114,867,362.24
  5. Step 5: Solve for x
    x = 91,114,867,362.24/350,680.80
  6. Step 6: Final answer
    x = 259,822.80

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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.