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Finding the Fourth Proportional to 329,503.13, 454,699.88 and 193,551

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Solution

The fourth proportional to 329,503.13, 454,699.88 and 193,551 is: 267,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,503.13 : 454,699.88 = 193,551 : x
  2. Step 2: Convert to fraction form
    329,503.13/454,699.88 = 193,551/x
  3. Step 3: Cross multiply
    329,503.13x = 454,699.88 × 193,551
  4. Step 4: Simplify right side
    329,503.13x = 88,007,615,506.13
  5. Step 5: Solve for x
    x = 88,007,615,506.13/329,503.13
  6. Step 6: Final answer
    x = 267,091.90

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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.