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Finding the Fourth Proportional to 299,810.56, 413,796.64 and 192,516.16

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Solution

The fourth proportional to 299,810.56, 413,796.64 and 192,516.16 is: 265,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,810.56 : 413,796.64 = 192,516.16 : x
  2. Step 2: Convert to fraction form
    299,810.56/413,796.64 = 192,516.16/x
  3. Step 3: Cross multiply
    299,810.56x = 413,796.64 × 192,516.16
  4. Step 4: Simplify right side
    299,810.56x = 79,662,540,153.70
  5. Step 5: Solve for x
    x = 79,662,540,153.70/299,810.56
  6. Step 6: Final answer
    x = 265,709.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.