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Finding the Fourth Proportional to 703,323, 1,055,159.46 and 204,687

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Solution

The fourth proportional to 703,323, 1,055,159.46 and 204,687 is: 307,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,323 : 1,055,159.46 = 204,687 : x
  2. Step 2: Convert to fraction form
    703,323/1,055,159.46 = 204,687/x
  3. Step 3: Cross multiply
    703,323x = 1,055,159.46 × 204,687
  4. Step 4: Simplify right side
    703,323x = 215,977,424,389.02
  5. Step 5: Solve for x
    x = 215,977,424,389.02/703,323
  6. Step 6: Final answer
    x = 307,081.42

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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.