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Finding the Fourth Proportional to 350,608.47, 525,617.46 and 140,131.59

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Solution

The fourth proportional to 350,608.47, 525,617.46 and 140,131.59 is: 210,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,608.47 : 525,617.46 = 140,131.59 : x
  2. Step 2: Convert to fraction form
    350,608.47/525,617.46 = 140,131.59/x
  3. Step 3: Cross multiply
    350,608.47x = 525,617.46 × 140,131.59
  4. Step 4: Simplify right side
    350,608.47x = 73,655,610,401.56
  5. Step 5: Solve for x
    x = 73,655,610,401.56/350,608.47
  6. Step 6: Final answer
    x = 210,079.38

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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.