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Finding the Fourth Proportional to 313,872.52, 433,111.70 and 186,523.60

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Solution

The fourth proportional to 313,872.52, 433,111.70 and 186,523.60 is: 257,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,872.52 : 433,111.70 = 186,523.60 : x
  2. Step 2: Convert to fraction form
    313,872.52/433,111.70 = 186,523.60/x
  3. Step 3: Cross multiply
    313,872.52x = 433,111.70 × 186,523.60
  4. Step 4: Simplify right side
    313,872.52x = 80,785,553,486.12
  5. Step 5: Solve for x
    x = 80,785,553,486.12/313,872.52
  6. Step 6: Final answer
    x = 257,383.33

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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.