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Finding the Fourth Proportional to 273,731.40, 410,856.30 and 168,755.40

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Solution

The fourth proportional to 273,731.40, 410,856.30 and 168,755.40 is: 253,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,731.40 : 410,856.30 = 168,755.40 : x
  2. Step 2: Convert to fraction form
    273,731.40/410,856.30 = 168,755.40/x
  3. Step 3: Cross multiply
    273,731.40x = 410,856.30 × 168,755.40
  4. Step 4: Simplify right side
    273,731.40x = 69,334,219,249.02
  5. Step 5: Solve for x
    x = 69,334,219,249.02/273,731.40
  6. Step 6: Final answer
    x = 253,292.90

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1.5x scale

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.