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Finding the Fourth Proportional to 350,170.40, 525,644.40 and 217,200.80

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Solution

The fourth proportional to 350,170.40, 525,644.40 and 217,200.80 is: 326,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,170.40 : 525,644.40 = 217,200.80 : x
  2. Step 2: Convert to fraction form
    350,170.40/525,644.40 = 217,200.80/x
  3. Step 3: Cross multiply
    350,170.40x = 525,644.40 × 217,200.80
  4. Step 4: Simplify right side
    350,170.40x = 114,170,384,195.52
  5. Step 5: Solve for x
    x = 114,170,384,195.52/350,170.40
  6. Step 6: Final answer
    x = 326,042.36

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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.