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Finding the Fourth Proportional to 339,571.60, 468,617.20 and 186,608.64

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Solution

The fourth proportional to 339,571.60, 468,617.20 and 186,608.64 is: 257,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,571.60 : 468,617.20 = 186,608.64 : x
  2. Step 2: Convert to fraction form
    339,571.60/468,617.20 = 186,608.64/x
  3. Step 3: Cross multiply
    339,571.60x = 468,617.20 × 186,608.64
  4. Step 4: Simplify right side
    339,571.60x = 87,448,018,372.61
  5. Step 5: Solve for x
    x = 87,448,018,372.61/339,571.60
  6. Step 6: Final answer
    x = 257,524.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.