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Finding the Fourth Proportional to 367,640.36, 507,214.50 and 240,390.44

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Solution

The fourth proportional to 367,640.36, 507,214.50 and 240,390.44 is: 331,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,640.36 : 507,214.50 = 240,390.44 : x
  2. Step 2: Convert to fraction form
    367,640.36/507,214.50 = 240,390.44/x
  3. Step 3: Cross multiply
    367,640.36x = 507,214.50 × 240,390.44
  4. Step 4: Simplify right side
    367,640.36x = 121,929,516,829.38
  5. Step 5: Solve for x
    x = 121,929,516,829.38/367,640.36
  6. Step 6: Final answer
    x = 331,654.33

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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.