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Finding the Fourth Proportional to 353,562.90, 487,907.43 and 192,414.49

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Solution

The fourth proportional to 353,562.90, 487,907.43 and 192,414.49 is: 265,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,562.90 : 487,907.43 = 192,414.49 : x
  2. Step 2: Convert to fraction form
    353,562.90/487,907.43 = 192,414.49/x
  3. Step 3: Cross multiply
    353,562.90x = 487,907.43 × 192,414.49
  4. Step 4: Simplify right side
    353,562.90x = 93,880,457,369.34
  5. Step 5: Solve for x
    x = 93,880,457,369.34/353,562.90
  6. Step 6: Final answer
    x = 265,526.89

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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.