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Finding the Fourth Proportional to 1,294,983.89, 1,942,144.49 and 383,953.34

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Solution

The fourth proportional to 1,294,983.89, 1,942,144.49 and 383,953.34 is: 575,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,983.89 : 1,942,144.49 = 383,953.34 : x
  2. Step 2: Convert to fraction form
    1,294,983.89/1,942,144.49 = 383,953.34/x
  3. Step 3: Cross multiply
    1,294,983.89x = 1,942,144.49 × 383,953.34
  4. Step 4: Simplify right side
    1,294,983.89x = 745,692,861,778.33
  5. Step 5: Solve for x
    x = 745,692,861,778.33/1,294,983.89
  6. Step 6: Final answer
    x = 575,831.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.