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Finding the Fourth Proportional to 364,358.14, 546,553.95 and 111,620.50

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Solution

The fourth proportional to 364,358.14, 546,553.95 and 111,620.50 is: 167,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,358.14 : 546,553.95 = 111,620.50 : x
  2. Step 2: Convert to fraction form
    364,358.14/546,553.95 = 111,620.50/x
  3. Step 3: Cross multiply
    364,358.14x = 546,553.95 × 111,620.50
  4. Step 4: Simplify right side
    364,358.14x = 61,006,625,175.98
  5. Step 5: Solve for x
    x = 61,006,625,175.98/364,358.14
  6. Step 6: Final answer
    x = 167,435.88

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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.