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Finding the Fourth Proportional to 397,606.41, 548,487.72 and 236,346.75

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Solution

The fourth proportional to 397,606.41, 548,487.72 and 236,346.75 is: 326,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,606.41 : 548,487.72 = 236,346.75 : x
  2. Step 2: Convert to fraction form
    397,606.41/548,487.72 = 236,346.75/x
  3. Step 3: Cross multiply
    397,606.41x = 548,487.72 × 236,346.75
  4. Step 4: Simplify right side
    397,606.41x = 129,633,290,036.91
  5. Step 5: Solve for x
    x = 129,633,290,036.91/397,606.41
  6. Step 6: Final answer
    x = 326,034.21

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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.