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Finding the Fourth Proportional to 368,423.55, 552,635.33 and 200,461.95

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Solution

The fourth proportional to 368,423.55, 552,635.33 and 200,461.95 is: 300,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,423.55 : 552,635.33 = 200,461.95 : x
  2. Step 2: Convert to fraction form
    368,423.55/552,635.33 = 200,461.95/x
  3. Step 3: Cross multiply
    368,423.55x = 552,635.33 × 200,461.95
  4. Step 4: Simplify right side
    368,423.55x = 110,782,354,888.38
  5. Step 5: Solve for x
    x = 110,782,354,888.38/368,423.55
  6. Step 6: Final answer
    x = 300,692.93

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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.