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Finding the Fourth Proportional to 543,273.03, 814,410.62 and 188,038.62

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Solution

The fourth proportional to 543,273.03, 814,410.62 and 188,038.62 is: 281,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,273.03 : 814,410.62 = 188,038.62 : x
  2. Step 2: Convert to fraction form
    543,273.03/814,410.62 = 188,038.62/x
  3. Step 3: Cross multiply
    543,273.03x = 814,410.62 × 188,038.62
  4. Step 4: Simplify right side
    543,273.03x = 153,140,649,098.14
  5. Step 5: Solve for x
    x = 153,140,649,098.14/543,273.03
  6. Step 6: Final answer
    x = 281,885.24

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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.