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Finding the Fourth Proportional to 673,126.92, 928,913.85 and 367,203.21

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Solution

The fourth proportional to 673,126.92, 928,913.85 and 367,203.21 is: 506,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,126.92 : 928,913.85 = 367,203.21 : x
  2. Step 2: Convert to fraction form
    673,126.92/928,913.85 = 367,203.21/x
  3. Step 3: Cross multiply
    673,126.92x = 928,913.85 × 367,203.21
  4. Step 4: Simplify right side
    673,126.92x = 341,100,143,017.27
  5. Step 5: Solve for x
    x = 341,100,143,017.27/673,126.92
  6. Step 6: Final answer
    x = 506,739.72

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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.