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Finding the Fourth Proportional to 363,121.60, 544,221.60 and 323,492.80

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Solution

The fourth proportional to 363,121.60, 544,221.60 and 323,492.80 is: 484,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,121.60 : 544,221.60 = 323,492.80 : x
  2. Step 2: Convert to fraction form
    363,121.60/544,221.60 = 323,492.80/x
  3. Step 3: Cross multiply
    363,121.60x = 544,221.60 × 323,492.80
  4. Step 4: Simplify right side
    363,121.60x = 176,051,769,204.48
  5. Step 5: Solve for x
    x = 176,051,769,204.48/363,121.60
  6. Step 6: Final answer
    x = 484,828.69

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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.