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Finding the Fourth Proportional to 500,459.50, 748,805.87 and 350,991.55

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Solution

The fourth proportional to 500,459.50, 748,805.87 and 350,991.55 is: 525,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,459.50 : 748,805.87 = 350,991.55 : x
  2. Step 2: Convert to fraction form
    500,459.50/748,805.87 = 350,991.55/x
  3. Step 3: Cross multiply
    500,459.50x = 748,805.87 × 350,991.55
  4. Step 4: Simplify right side
    500,459.50x = 262,824,531,205.44
  5. Step 5: Solve for x
    x = 262,824,531,205.44/500,459.50
  6. Step 6: Final answer
    x = 525,166.43

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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.