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Finding the Fourth Proportional to 599,521.43, 899,922.35 and 258,133.97

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Solution

The fourth proportional to 599,521.43, 899,922.35 and 258,133.97 is: 387,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,521.43 : 899,922.35 = 258,133.97 : x
  2. Step 2: Convert to fraction form
    599,521.43/899,922.35 = 258,133.97/x
  3. Step 3: Cross multiply
    599,521.43x = 899,922.35 × 258,133.97
  4. Step 4: Simplify right side
    599,521.43x = 232,300,531,792.37
  5. Step 5: Solve for x
    x = 232,300,531,792.37/599,521.43
  6. Step 6: Final answer
    x = 387,476.61

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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.