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Finding the Fourth Proportional to 638,553.30, 957,552.33 and 183,044.22

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Solution

The fourth proportional to 638,553.30, 957,552.33 and 183,044.22 is: 274,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,553.30 : 957,552.33 = 183,044.22 : x
  2. Step 2: Convert to fraction form
    638,553.30/957,552.33 = 183,044.22/x
  3. Step 3: Cross multiply
    638,553.30x = 957,552.33 × 183,044.22
  4. Step 4: Simplify right side
    638,553.30x = 175,274,416,449.63
  5. Step 5: Solve for x
    x = 175,274,416,449.63/638,553.30
  6. Step 6: Final answer
    x = 274,486.75

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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.