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Finding the Fourth Proportional to 352,213.31, 486,054.37 and 201,339.47

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Solution

The fourth proportional to 352,213.31, 486,054.37 and 201,339.47 is: 277,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,213.31 : 486,054.37 = 201,339.47 : x
  2. Step 2: Convert to fraction form
    352,213.31/486,054.37 = 201,339.47/x
  3. Step 3: Cross multiply
    352,213.31x = 486,054.37 × 201,339.47
  4. Step 4: Simplify right side
    352,213.31x = 97,861,930,713.79
  5. Step 5: Solve for x
    x = 97,861,930,713.79/352,213.31
  6. Step 6: Final answer
    x = 277,848.47

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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.