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Finding the Fourth Proportional to 336,258.95, 504,387.47 and 111,636.43

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Solution

The fourth proportional to 336,258.95, 504,387.47 and 111,636.43 is: 167,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,258.95 : 504,387.47 = 111,636.43 : x
  2. Step 2: Convert to fraction form
    336,258.95/504,387.47 = 111,636.43/x
  3. Step 3: Cross multiply
    336,258.95x = 504,387.47 × 111,636.43
  4. Step 4: Simplify right side
    336,258.95x = 56,308,015,505.65
  5. Step 5: Solve for x
    x = 56,308,015,505.65/336,258.95
  6. Step 6: Final answer
    x = 167,454.33

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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.