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Finding the Fourth Proportional to 363,588.10, 545,819.55 and 360,963.70

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Solution

The fourth proportional to 363,588.10, 545,819.55 and 360,963.70 is: 541,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,588.10 : 545,819.55 = 360,963.70 : x
  2. Step 2: Convert to fraction form
    363,588.10/545,819.55 = 360,963.70/x
  3. Step 3: Cross multiply
    363,588.10x = 545,819.55 × 360,963.70
  4. Step 4: Simplify right side
    363,588.10x = 197,021,044,300.34
  5. Step 5: Solve for x
    x = 197,021,044,300.34/363,588.10
  6. Step 6: Final answer
    x = 541,879.79

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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.