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Finding the Fourth Proportional to 336,388.10, 504,606.45 and 111,904.70

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Solution

The fourth proportional to 336,388.10, 504,606.45 and 111,904.70 is: 167,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,388.10 : 504,606.45 = 111,904.70 : x
  2. Step 2: Convert to fraction form
    336,388.10/504,606.45 = 111,904.70/x
  3. Step 3: Cross multiply
    336,388.10x = 504,606.45 × 111,904.70
  4. Step 4: Simplify right side
    336,388.10x = 56,467,833,405.32
  5. Step 5: Solve for x
    x = 56,467,833,405.32/336,388.10
  6. Step 6: Final answer
    x = 167,865.13

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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.