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Finding the Fourth Proportional to 367,057.90, 512,831.30 and 367,057.90

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Solution

The fourth proportional to 367,057.90, 512,831.30 and 367,057.90 is: 512,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,057.90 : 512,831.30 = 367,057.90 : x
  2. Step 2: Convert to fraction form
    367,057.90/512,831.30 = 367,057.90/x
  3. Step 3: Cross multiply
    367,057.90x = 512,831.30 × 367,057.90
  4. Step 4: Simplify right side
    367,057.90x = 188,238,780,032.27
  5. Step 5: Solve for x
    x = 188,238,780,032.27/367,057.90
  6. Step 6: Final answer
    x = 512,831.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.