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Finding the Fourth Proportional to 483,757.80, 725,636.70 and 350,010.60

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Solution

The fourth proportional to 483,757.80, 725,636.70 and 350,010.60 is: 525,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,757.80 : 725,636.70 = 350,010.60 : x
  2. Step 2: Convert to fraction form
    483,757.80/725,636.70 = 350,010.60/x
  3. Step 3: Cross multiply
    483,757.80x = 725,636.70 × 350,010.60
  4. Step 4: Simplify right side
    483,757.80x = 253,980,536,749.02
  5. Step 5: Solve for x
    x = 253,980,536,749.02/483,757.80
  6. Step 6: Final answer
    x = 525,015.90

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Similar ratio
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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.