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Finding the Fourth Proportional to 489,312.83, 733,793.15 and 169,377.77

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Solution

The fourth proportional to 489,312.83, 733,793.15 and 169,377.77 is: 254,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,312.83 : 733,793.15 = 169,377.77 : x
  2. Step 2: Convert to fraction form
    489,312.83/733,793.15 = 169,377.77/x
  3. Step 3: Cross multiply
    489,312.83x = 733,793.15 × 169,377.77
  4. Step 4: Simplify right side
    489,312.83x = 124,288,244,142.75
  5. Step 5: Solve for x
    x = 124,288,244,142.75/489,312.83
  6. Step 6: Final answer
    x = 254,005.69

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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.