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Finding the Fourth Proportional to 489,269.36, 733,972.04 and 173,651.20

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Solution

The fourth proportional to 489,269.36, 733,972.04 and 173,651.20 is: 260,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,269.36 : 733,972.04 = 173,651.20 : x
  2. Step 2: Convert to fraction form
    489,269.36/733,972.04 = 173,651.20/x
  3. Step 3: Cross multiply
    489,269.36x = 733,972.04 × 173,651.20
  4. Step 4: Simplify right side
    489,269.36x = 127,455,125,512.45
  5. Step 5: Solve for x
    x = 127,455,125,512.45/489,269.36
  6. Step 6: Final answer
    x = 260,500.93

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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.