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Finding the Fourth Proportional to 547,572.34, 819,360.24 and 323,040.34

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Solution

The fourth proportional to 547,572.34, 819,360.24 and 323,040.34 is: 483,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,572.34 : 819,360.24 = 323,040.34 : x
  2. Step 2: Convert to fraction form
    547,572.34/819,360.24 = 323,040.34/x
  3. Step 3: Cross multiply
    547,572.34x = 819,360.24 × 323,040.34
  4. Step 4: Simplify right side
    547,572.34x = 264,686,410,512.08
  5. Step 5: Solve for x
    x = 264,686,410,512.08/547,572.34
  6. Step 6: Final answer
    x = 483,381.63

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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.