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Finding the Fourth Proportional to 576,460.40, 865,662.60 and 481,593.20

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Solution

The fourth proportional to 576,460.40, 865,662.60 and 481,593.20 is: 723,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,460.40 : 865,662.60 = 481,593.20 : x
  2. Step 2: Convert to fraction form
    576,460.40/865,662.60 = 481,593.20/x
  3. Step 3: Cross multiply
    576,460.40x = 865,662.60 × 481,593.20
  4. Step 4: Simplify right side
    576,460.40x = 416,897,221,654.32
  5. Step 5: Solve for x
    x = 416,897,221,654.32/576,460.40
  6. Step 6: Final answer
    x = 723,201.84

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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.