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Finding the Fourth Proportional to 339,160.50, 468,047.43 and 186,213.06

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Solution

The fourth proportional to 339,160.50, 468,047.43 and 186,213.06 is: 256,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,160.50 : 468,047.43 = 186,213.06 : x
  2. Step 2: Convert to fraction form
    339,160.50/468,047.43 = 186,213.06/x
  3. Step 3: Cross multiply
    339,160.50x = 468,047.43 × 186,213.06
  4. Step 4: Simplify right side
    339,160.50x = 87,156,544,165.44
  5. Step 5: Solve for x
    x = 87,156,544,165.44/339,160.50
  6. Step 6: Final answer
    x = 256,977.28

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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.