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Finding the Fourth Proportional to 341,491.20, 512,206.08 and 119,861.76

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Solution

The fourth proportional to 341,491.20, 512,206.08 and 119,861.76 is: 179,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,491.20 : 512,206.08 = 119,861.76 : x
  2. Step 2: Convert to fraction form
    341,491.20/512,206.08 = 119,861.76/x
  3. Step 3: Cross multiply
    341,491.20x = 512,206.08 × 119,861.76
  4. Step 4: Simplify right side
    341,491.20x = 61,393,922,231.50
  5. Step 5: Solve for x
    x = 61,393,922,231.50/341,491.20
  6. Step 6: Final answer
    x = 179,781.86

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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.