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Finding the Fourth Proportional to 321,799.60, 482,553.60 and 122,053.60

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Solution

The fourth proportional to 321,799.60, 482,553.60 and 122,053.60 is: 183,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,799.60 : 482,553.60 = 122,053.60 : x
  2. Step 2: Convert to fraction form
    321,799.60/482,553.60 = 122,053.60/x
  3. Step 3: Cross multiply
    321,799.60x = 482,553.60 × 122,053.60
  4. Step 4: Simplify right side
    321,799.60x = 58,897,404,072.96
  5. Step 5: Solve for x
    x = 58,897,404,072.96/321,799.60
  6. Step 6: Final answer
    x = 183,025.10

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1.5x scale

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.