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Finding the Fourth Proportional to 367,501.80, 550,961.10 and 201,289.80

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Solution

The fourth proportional to 367,501.80, 550,961.10 and 201,289.80 is: 301,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,501.80 : 550,961.10 = 201,289.80 : x
  2. Step 2: Convert to fraction form
    367,501.80/550,961.10 = 201,289.80/x
  3. Step 3: Cross multiply
    367,501.80x = 550,961.10 × 201,289.80
  4. Step 4: Simplify right side
    367,501.80x = 110,902,849,626.78
  5. Step 5: Solve for x
    x = 110,902,849,626.78/367,501.80
  6. Step 6: Final answer
    x = 301,774.98

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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.