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Finding the Fourth Proportional to 356,798.09, 534,147.37 and 238,175.21

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Solution

The fourth proportional to 356,798.09, 534,147.37 and 238,175.21 is: 356,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,798.09 : 534,147.37 = 238,175.21 : x
  2. Step 2: Convert to fraction form
    356,798.09/534,147.37 = 238,175.21/x
  3. Step 3: Cross multiply
    356,798.09x = 534,147.37 × 238,175.21
  4. Step 4: Simplify right side
    356,798.09x = 127,220,662,760.63
  5. Step 5: Solve for x
    x = 127,220,662,760.63/356,798.09
  6. Step 6: Final answer
    x = 356,562.06

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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.