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Finding the Fourth Proportional to 366,918.55, 550,377.83 and 323,615.95

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Solution

The fourth proportional to 366,918.55, 550,377.83 and 323,615.95 is: 485,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.55 : 550,377.83 = 323,615.95 : x
  2. Step 2: Convert to fraction form
    366,918.55/550,377.83 = 323,615.95/x
  3. Step 3: Cross multiply
    366,918.55x = 550,377.83 × 323,615.95
  4. Step 4: Simplify right side
    366,918.55x = 178,111,044,314.39
  5. Step 5: Solve for x
    x = 178,111,044,314.39/366,918.55
  6. Step 6: Final answer
    x = 485,423.93

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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.