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Finding the Fourth Proportional to 318,229.52, 439,158.30 and 174,998.84

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Solution

The fourth proportional to 318,229.52, 439,158.30 and 174,998.84 is: 241,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,229.52 : 439,158.30 = 174,998.84 : x
  2. Step 2: Convert to fraction form
    318,229.52/439,158.30 = 174,998.84/x
  3. Step 3: Cross multiply
    318,229.52x = 439,158.30 × 174,998.84
  4. Step 4: Simplify right side
    318,229.52x = 76,852,193,076.37
  5. Step 5: Solve for x
    x = 76,852,193,076.37/318,229.52
  6. Step 6: Final answer
    x = 241,499.26

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Double scale
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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.