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Finding the Fourth Proportional to 323,043.60, 484,507.80 and 204,502.80

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Solution

The fourth proportional to 323,043.60, 484,507.80 and 204,502.80 is: 306,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,043.60 : 484,507.80 = 204,502.80 : x
  2. Step 2: Convert to fraction form
    323,043.60/484,507.80 = 204,502.80/x
  3. Step 3: Cross multiply
    323,043.60x = 484,507.80 × 204,502.80
  4. Step 4: Simplify right side
    323,043.60x = 99,083,201,721.84
  5. Step 5: Solve for x
    x = 99,083,201,721.84/323,043.60
  6. Step 6: Final answer
    x = 306,717.74

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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.