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Finding the Fourth Proportional to 237,382.28, 357,739.70 and 213,713.48

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Solution

The fourth proportional to 237,382.28, 357,739.70 and 213,713.48 is: 322,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,382.28 : 357,739.70 = 213,713.48 : x
  2. Step 2: Convert to fraction form
    237,382.28/357,739.70 = 213,713.48/x
  3. Step 3: Cross multiply
    237,382.28x = 357,739.70 × 213,713.48
  4. Step 4: Simplify right side
    237,382.28x = 76,453,796,221.16
  5. Step 5: Solve for x
    x = 76,453,796,221.16/237,382.28
  6. Step 6: Final answer
    x = 322,070.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.