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Finding the Fourth Proportional to 489,267.36, 733,974 and 173,697.84

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Solution

The fourth proportional to 489,267.36, 733,974 and 173,697.84 is: 260,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,267.36 : 733,974 = 173,697.84 : x
  2. Step 2: Convert to fraction form
    489,267.36/733,974 = 173,697.84/x
  3. Step 3: Cross multiply
    489,267.36x = 733,974 × 173,697.84
  4. Step 4: Simplify right side
    489,267.36x = 127,489,698,416.16
  5. Step 5: Solve for x
    x = 127,489,698,416.16/489,267.36
  6. Step 6: Final answer
    x = 260,572.66

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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.