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Finding the Fourth Proportional to 351,653.70, 527,426.28 and 114,996

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Solution

The fourth proportional to 351,653.70, 527,426.28 and 114,996 is: 172,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,653.70 : 527,426.28 = 114,996 : x
  2. Step 2: Convert to fraction form
    351,653.70/527,426.28 = 114,996/x
  3. Step 3: Cross multiply
    351,653.70x = 527,426.28 × 114,996
  4. Step 4: Simplify right side
    351,653.70x = 60,651,912,494.88
  5. Step 5: Solve for x
    x = 60,651,912,494.88/351,653.70
  6. Step 6: Final answer
    x = 172,476.25

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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.