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Finding the Fourth Proportional to 298,520.11, 411,951.83 and 162,555.67

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Solution

The fourth proportional to 298,520.11, 411,951.83 and 162,555.67 is: 224,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,520.11 : 411,951.83 = 162,555.67 : x
  2. Step 2: Convert to fraction form
    298,520.11/411,951.83 = 162,555.67/x
  3. Step 3: Cross multiply
    298,520.11x = 411,951.83 × 162,555.67
  4. Step 4: Simplify right side
    298,520.11x = 66,965,106,139.77
  5. Step 5: Solve for x
    x = 66,965,106,139.77/298,520.11
  6. Step 6: Final answer
    x = 224,323.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.