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Finding the Fourth Proportional to 329,507.61, 454,706.07 and 193,555.50

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Solution

The fourth proportional to 329,507.61, 454,706.07 and 193,555.50 is: 267,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,507.61 : 454,706.07 = 193,555.50 : x
  2. Step 2: Convert to fraction form
    329,507.61/454,706.07 = 193,555.50/x
  3. Step 3: Cross multiply
    329,507.61x = 454,706.07 × 193,555.50
  4. Step 4: Simplify right side
    329,507.61x = 88,010,860,731.89
  5. Step 5: Solve for x
    x = 88,010,860,731.89/329,507.61
  6. Step 6: Final answer
    x = 267,098.11

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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.