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Finding the Fourth Proportional to 295,274.40, 442,911.60 and 108,261.60

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Solution

The fourth proportional to 295,274.40, 442,911.60 and 108,261.60 is: 162,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,274.40 : 442,911.60 = 108,261.60 : x
  2. Step 2: Convert to fraction form
    295,274.40/442,911.60 = 108,261.60/x
  3. Step 3: Cross multiply
    295,274.40x = 442,911.60 × 108,261.60
  4. Step 4: Simplify right side
    295,274.40x = 47,950,318,474.56
  5. Step 5: Solve for x
    x = 47,950,318,474.56/295,274.40
  6. Step 6: Final answer
    x = 162,392.40

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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.