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Finding the Fourth Proportional to 423,540.88, 584,505.48 and 253,771.36

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Solution

The fourth proportional to 423,540.88, 584,505.48 and 253,771.36 is: 350,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,540.88 : 584,505.48 = 253,771.36 : x
  2. Step 2: Convert to fraction form
    423,540.88/584,505.48 = 253,771.36/x
  3. Step 3: Cross multiply
    423,540.88x = 584,505.48 × 253,771.36
  4. Step 4: Simplify right side
    423,540.88x = 148,330,750,587.05
  5. Step 5: Solve for x
    x = 148,330,750,587.05/423,540.88
  6. Step 6: Final answer
    x = 350,215.90

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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.