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Finding the Fourth Proportional to 599,674.78, 899,511.36 and 156,442.78

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Solution

The fourth proportional to 599,674.78, 899,511.36 and 156,442.78 is: 234,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,674.78 : 899,511.36 = 156,442.78 : x
  2. Step 2: Convert to fraction form
    599,674.78/899,511.36 = 156,442.78/x
  3. Step 3: Cross multiply
    599,674.78x = 899,511.36 × 156,442.78
  4. Step 4: Simplify right side
    599,674.78x = 140,722,057,799.98
  5. Step 5: Solve for x
    x = 140,722,057,799.98/599,674.78
  6. Step 6: Final answer
    x = 234,663.96

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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.