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Finding the Fourth Proportional to 558,378.46, 837,844.46 and 221,411.89

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Solution

The fourth proportional to 558,378.46, 837,844.46 and 221,411.89 is: 332,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,378.46 : 837,844.46 = 221,411.89 : x
  2. Step 2: Convert to fraction form
    558,378.46/837,844.46 = 221,411.89/x
  3. Step 3: Cross multiply
    558,378.46x = 837,844.46 × 221,411.89
  4. Step 4: Simplify right side
    558,378.46x = 185,508,720,118.35
  5. Step 5: Solve for x
    x = 185,508,720,118.35/558,378.46
  6. Step 6: Final answer
    x = 332,227.58

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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.