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Finding the Fourth Proportional to 363,462.60, 545,193.90 and 263,929.80

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Solution

The fourth proportional to 363,462.60, 545,193.90 and 263,929.80 is: 395,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,462.60 : 545,193.90 = 263,929.80 : x
  2. Step 2: Convert to fraction form
    363,462.60/545,193.90 = 263,929.80/x
  3. Step 3: Cross multiply
    363,462.60x = 545,193.90 × 263,929.80
  4. Step 4: Simplify right side
    363,462.60x = 143,892,916,988.22
  5. Step 5: Solve for x
    x = 143,892,916,988.22/363,462.60
  6. Step 6: Final answer
    x = 395,894.70

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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.