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Finding the Fourth Proportional to 325,553.40, 488,330.10 and 241,572.60

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Solution

The fourth proportional to 325,553.40, 488,330.10 and 241,572.60 is: 362,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,553.40 : 488,330.10 = 241,572.60 : x
  2. Step 2: Convert to fraction form
    325,553.40/488,330.10 = 241,572.60/x
  3. Step 3: Cross multiply
    325,553.40x = 488,330.10 × 241,572.60
  4. Step 4: Simplify right side
    325,553.40x = 117,967,171,915.26
  5. Step 5: Solve for x
    x = 117,967,171,915.26/325,553.40
  6. Step 6: Final answer
    x = 362,358.90

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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.