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Finding the Fourth Proportional to 273,639.60, 410,459.40 and 236,241.90

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Solution

The fourth proportional to 273,639.60, 410,459.40 and 236,241.90 is: 354,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,639.60 : 410,459.40 = 236,241.90 : x
  2. Step 2: Convert to fraction form
    273,639.60/410,459.40 = 236,241.90/x
  3. Step 3: Cross multiply
    273,639.60x = 410,459.40 × 236,241.90
  4. Step 4: Simplify right side
    273,639.60x = 96,967,708,528.86
  5. Step 5: Solve for x
    x = 96,967,708,528.86/273,639.60
  6. Step 6: Final answer
    x = 354,362.85

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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.