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Finding the Fourth Proportional to 368,794.50, 553,658.68 and 226,289.70

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Solution

The fourth proportional to 368,794.50, 553,658.68 and 226,289.70 is: 339,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,794.50 : 553,658.68 = 226,289.70 : x
  2. Step 2: Convert to fraction form
    368,794.50/553,658.68 = 226,289.70/x
  3. Step 3: Cross multiply
    368,794.50x = 553,658.68 × 226,289.70
  4. Step 4: Simplify right side
    368,794.50x = 125,287,256,599.60
  5. Step 5: Solve for x
    x = 125,287,256,599.60/368,794.50
  6. Step 6: Final answer
    x = 339,721.05

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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.