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Finding the Fourth Proportional to 493,038.86, 739,556.67 and 119,061.86

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Solution

The fourth proportional to 493,038.86, 739,556.67 and 119,061.86 is: 178,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,038.86 : 739,556.67 = 119,061.86 : x
  2. Step 2: Convert to fraction form
    493,038.86/739,556.67 = 119,061.86/x
  3. Step 3: Cross multiply
    493,038.86x = 739,556.67 × 119,061.86
  4. Step 4: Simplify right side
    493,038.86x = 88,052,992,705.61
  5. Step 5: Solve for x
    x = 88,052,992,705.61/493,038.86
  6. Step 6: Final answer
    x = 178,592.40

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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.