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Finding the Fourth Proportional to 336,397.12, 504,525.84 and 99,684.16

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Solution

The fourth proportional to 336,397.12, 504,525.84 and 99,684.16 is: 149,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,397.12 : 504,525.84 = 99,684.16 : x
  2. Step 2: Convert to fraction form
    336,397.12/504,525.84 = 99,684.16/x
  3. Step 3: Cross multiply
    336,397.12x = 504,525.84 × 99,684.16
  4. Step 4: Simplify right side
    336,397.12x = 50,293,234,558.69
  5. Step 5: Solve for x
    x = 50,293,234,558.69/336,397.12
  6. Step 6: Final answer
    x = 149,505.54

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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.