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Finding the Fourth Proportional to 273,152.80, 409,826.40 and 263,432.80

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Solution

The fourth proportional to 273,152.80, 409,826.40 and 263,432.80 is: 395,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,152.80 : 409,826.40 = 263,432.80 : x
  2. Step 2: Convert to fraction form
    273,152.80/409,826.40 = 263,432.80/x
  3. Step 3: Cross multiply
    273,152.80x = 409,826.40 × 263,432.80
  4. Step 4: Simplify right side
    273,152.80x = 107,961,716,065.92
  5. Step 5: Solve for x
    x = 107,961,716,065.92/273,152.80
  6. Step 6: Final answer
    x = 395,242.94

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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.