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Finding the Fourth Proportional to 300,610.51, 414,642.92 and 193,316.29

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Solution

The fourth proportional to 300,610.51, 414,642.92 and 193,316.29 is: 266,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,610.51 : 414,642.92 = 193,316.29 : x
  2. Step 2: Convert to fraction form
    300,610.51/414,642.92 = 193,316.29/x
  3. Step 3: Cross multiply
    300,610.51x = 414,642.92 × 193,316.29
  4. Step 4: Simplify right side
    300,610.51x = 80,157,228,965.98
  5. Step 5: Solve for x
    x = 80,157,228,965.98/300,610.51
  6. Step 6: Final answer
    x = 266,648.13

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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.