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Finding the Fourth Proportional to 329,601.40, 494,402.10 and 228,124.60

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Solution

The fourth proportional to 329,601.40, 494,402.10 and 228,124.60 is: 342,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,601.40 : 494,402.10 = 228,124.60 : x
  2. Step 2: Convert to fraction form
    329,601.40/494,402.10 = 228,124.60/x
  3. Step 3: Cross multiply
    329,601.40x = 494,402.10 × 228,124.60
  4. Step 4: Simplify right side
    329,601.40x = 112,785,281,301.66
  5. Step 5: Solve for x
    x = 112,785,281,301.66/329,601.40
  6. Step 6: Final answer
    x = 342,186.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.