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Finding the Fourth Proportional to 350,487.26, 525,774.60 and 137,227.64

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Solution

The fourth proportional to 350,487.26, 525,774.60 and 137,227.64 is: 205,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,487.26 : 525,774.60 = 137,227.64 : x
  2. Step 2: Convert to fraction form
    350,487.26/525,774.60 = 137,227.64/x
  3. Step 3: Cross multiply
    350,487.26x = 525,774.60 × 137,227.64
  4. Step 4: Simplify right side
    350,487.26x = 72,150,807,529.94
  5. Step 5: Solve for x
    x = 72,150,807,529.94/350,487.26
  6. Step 6: Final answer
    x = 205,858.57

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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.