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Finding the Fourth Proportional to 357,449.76, 536,349.60 and 252,940.32

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Solution

The fourth proportional to 357,449.76, 536,349.60 and 252,940.32 is: 379,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,449.76 : 536,349.60 = 252,940.32 : x
  2. Step 2: Convert to fraction form
    357,449.76/536,349.60 = 252,940.32/x
  3. Step 3: Cross multiply
    357,449.76x = 536,349.60 × 252,940.32
  4. Step 4: Simplify right side
    357,449.76x = 135,664,439,455.87
  5. Step 5: Solve for x
    x = 135,664,439,455.87/357,449.76
  6. Step 6: Final answer
    x = 379,534.29

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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.