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Finding the Fourth Proportional to 273,215.30, 410,600.55 and 239,000.90

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Solution

The fourth proportional to 273,215.30, 410,600.55 and 239,000.90 is: 359,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,215.30 : 410,600.55 = 239,000.90 : x
  2. Step 2: Convert to fraction form
    273,215.30/410,600.55 = 239,000.90/x
  3. Step 3: Cross multiply
    273,215.30x = 410,600.55 × 239,000.90
  4. Step 4: Simplify right side
    273,215.30x = 98,133,900,990.50
  5. Step 5: Solve for x
    x = 98,133,900,990.50/273,215.30
  6. Step 6: Final answer
    x = 359,181.57

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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.