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Finding the Fourth Proportional to 329,459.92, 454,655.28 and 178,556.96

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Solution

The fourth proportional to 329,459.92, 454,655.28 and 178,556.96 is: 246,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,459.92 : 454,655.28 = 178,556.96 : x
  2. Step 2: Convert to fraction form
    329,459.92/454,655.28 = 178,556.96/x
  3. Step 3: Cross multiply
    329,459.92x = 454,655.28 × 178,556.96
  4. Step 4: Simplify right side
    329,459.92x = 81,181,864,644.75
  5. Step 5: Solve for x
    x = 81,181,864,644.75/329,459.92
  6. Step 6: Final answer
    x = 246,408.92

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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.