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Finding the Fourth Proportional to 350,422.60, 525,029.10 and 163,049.80

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Solution

The fourth proportional to 350,422.60, 525,029.10 and 163,049.80 is: 244,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,422.60 : 525,029.10 = 163,049.80 : x
  2. Step 2: Convert to fraction form
    350,422.60/525,029.10 = 163,049.80/x
  3. Step 3: Cross multiply
    350,422.60x = 525,029.10 × 163,049.80
  4. Step 4: Simplify right side
    350,422.60x = 85,605,889,749.18
  5. Step 5: Solve for x
    x = 85,605,889,749.18/350,422.60
  6. Step 6: Final answer
    x = 244,293.29

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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.