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Finding the Fourth Proportional to 336,518.61, 504,873.30 and 136,982.19

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Solution

The fourth proportional to 336,518.61, 504,873.30 and 136,982.19 is: 205,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,518.61 : 504,873.30 = 136,982.19 : x
  2. Step 2: Convert to fraction form
    336,518.61/504,873.30 = 136,982.19/x
  3. Step 3: Cross multiply
    336,518.61x = 504,873.30 × 136,982.19
  4. Step 4: Simplify right side
    336,518.61x = 69,158,652,713.49
  5. Step 5: Solve for x
    x = 69,158,652,713.49/336,518.61
  6. Step 6: Final answer
    x = 205,512.12

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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.