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Finding the Fourth Proportional to 273,433.80, 410,928.30 and 239,219.40

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Solution

The fourth proportional to 273,433.80, 410,928.30 and 239,219.40 is: 359,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,433.80 : 410,928.30 = 239,219.40 : x
  2. Step 2: Convert to fraction form
    273,433.80/410,928.30 = 239,219.40/x
  3. Step 3: Cross multiply
    273,433.80x = 410,928.30 × 239,219.40
  4. Step 4: Simplify right side
    273,433.80x = 98,302,021,369.02
  5. Step 5: Solve for x
    x = 98,302,021,369.02/273,433.80
  6. Step 6: Final answer
    x = 359,509.40

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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.