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Finding the Fourth Proportional to 551,353.80, 827,030.70 and 416,634.60

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Solution

The fourth proportional to 551,353.80, 827,030.70 and 416,634.60 is: 624,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,353.80 : 827,030.70 = 416,634.60 : x
  2. Step 2: Convert to fraction form
    551,353.80/827,030.70 = 416,634.60/x
  3. Step 3: Cross multiply
    551,353.80x = 827,030.70 × 416,634.60
  4. Step 4: Simplify right side
    551,353.80x = 344,569,604,882.22
  5. Step 5: Solve for x
    x = 344,569,604,882.22/551,353.80
  6. Step 6: Final answer
    x = 624,951.90

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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.