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Finding the Fourth Proportional to 397,352.58, 548,122.13 and 236,259.59

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Solution

The fourth proportional to 397,352.58, 548,122.13 and 236,259.59 is: 325,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,352.58 : 548,122.13 = 236,259.59 : x
  2. Step 2: Convert to fraction form
    397,352.58/548,122.13 = 236,259.59/x
  3. Step 3: Cross multiply
    397,352.58x = 548,122.13 × 236,259.59
  4. Step 4: Simplify right side
    397,352.58x = 129,499,105,781.82
  5. Step 5: Solve for x
    x = 129,499,105,781.82/397,352.58
  6. Step 6: Final answer
    x = 325,904.78

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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.