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Finding the Fourth Proportional to 326,280.57, 450,270.25 and 183,043.68

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Solution

The fourth proportional to 326,280.57, 450,270.25 and 183,043.68 is: 252,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,280.57 : 450,270.25 = 183,043.68 : x
  2. Step 2: Convert to fraction form
    326,280.57/450,270.25 = 183,043.68/x
  3. Step 3: Cross multiply
    326,280.57x = 450,270.25 × 183,043.68
  4. Step 4: Simplify right side
    326,280.57x = 82,419,125,137.80
  5. Step 5: Solve for x
    x = 82,419,125,137.80/326,280.57
  6. Step 6: Final answer
    x = 252,602.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.