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Finding the Fourth Proportional to 358,492.33, 494,733.50 and 197,362.38

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Solution

The fourth proportional to 358,492.33, 494,733.50 and 197,362.38 is: 272,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,492.33 : 494,733.50 = 197,362.38 : x
  2. Step 2: Convert to fraction form
    358,492.33/494,733.50 = 197,362.38/x
  3. Step 3: Cross multiply
    358,492.33x = 494,733.50 × 197,362.38
  4. Step 4: Simplify right side
    358,492.33x = 97,641,781,025.73
  5. Step 5: Solve for x
    x = 97,641,781,025.73/358,492.33
  6. Step 6: Final answer
    x = 272,367.84

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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.