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Finding the Fourth Proportional to 589,339, 884,448.44 and 399,348.68

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Solution

The fourth proportional to 589,339, 884,448.44 and 399,348.68 is: 599,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,339 : 884,448.44 = 399,348.68 : x
  2. Step 2: Convert to fraction form
    589,339/884,448.44 = 399,348.68/x
  3. Step 3: Cross multiply
    589,339x = 884,448.44 × 399,348.68
  4. Step 4: Simplify right side
    589,339x = 353,203,317,042.06
  5. Step 5: Solve for x
    x = 353,203,317,042.06/589,339
  6. Step 6: Final answer
    x = 599,321.13

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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.