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Finding the Fourth Proportional to 673,122.76, 928,912.44 and 367,198.18

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Solution

The fourth proportional to 673,122.76, 928,912.44 and 367,198.18 is: 506,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,122.76 : 928,912.44 = 367,198.18 : x
  2. Step 2: Convert to fraction form
    673,122.76/928,912.44 = 367,198.18/x
  3. Step 3: Cross multiply
    673,122.76x = 928,912.44 × 367,198.18
  4. Step 4: Simplify right side
    673,122.76x = 341,094,954,336.58
  5. Step 5: Solve for x
    x = 341,094,954,336.58/673,122.76
  6. Step 6: Final answer
    x = 506,735.14

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Double scale
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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.