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Finding the Fourth Proportional to 325,555.40, 488,333.10 and 241,574.60

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Solution

The fourth proportional to 325,555.40, 488,333.10 and 241,574.60 is: 362,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,555.40 : 488,333.10 = 241,574.60 : x
  2. Step 2: Convert to fraction form
    325,555.40/488,333.10 = 241,574.60/x
  3. Step 3: Cross multiply
    325,555.40x = 488,333.10 × 241,574.60
  4. Step 4: Simplify right side
    325,555.40x = 117,968,873,299.26
  5. Step 5: Solve for x
    x = 117,968,873,299.26/325,555.40
  6. Step 6: Final answer
    x = 362,361.90

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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.