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Finding the Fourth Proportional to 489,215.88, 733,846.86 and 403,668.03

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Solution

The fourth proportional to 489,215.88, 733,846.86 and 403,668.03 is: 605,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,215.88 : 733,846.86 = 403,668.03 : x
  2. Step 2: Convert to fraction form
    489,215.88/733,846.86 = 403,668.03/x
  3. Step 3: Cross multiply
    489,215.88x = 733,846.86 × 403,668.03
  4. Step 4: Simplify right side
    489,215.88x = 296,230,518,121.18
  5. Step 5: Solve for x
    x = 296,230,518,121.18/489,215.88
  6. Step 6: Final answer
    x = 605,521.06

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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.