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Finding the Fourth Proportional to 336,206.80, 504,310.20 and 122,974.30

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Solution

The fourth proportional to 336,206.80, 504,310.20 and 122,974.30 is: 184,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,206.80 : 504,310.20 = 122,974.30 : x
  2. Step 2: Convert to fraction form
    336,206.80/504,310.20 = 122,974.30/x
  3. Step 3: Cross multiply
    336,206.80x = 504,310.20 × 122,974.30
  4. Step 4: Simplify right side
    336,206.80x = 62,017,193,827.86
  5. Step 5: Solve for x
    x = 62,017,193,827.86/336,206.80
  6. Step 6: Final answer
    x = 184,461.45

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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.