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Finding the Fourth Proportional to 336,809, 504,945.12 and 194,492.68

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Solution

The fourth proportional to 336,809, 504,945.12 and 194,492.68 is: 291,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,809 : 504,945.12 = 194,492.68 : x
  2. Step 2: Convert to fraction form
    336,809/504,945.12 = 194,492.68/x
  3. Step 3: Cross multiply
    336,809x = 504,945.12 × 194,492.68
  4. Step 4: Simplify right side
    336,809x = 98,208,129,641.72
  5. Step 5: Solve for x
    x = 98,208,129,641.72/336,809
  6. Step 6: Final answer
    x = 291,584.04

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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.