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Finding the Fourth Proportional to 238,190.40, 356,978.40 and 182,510.40

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Solution

The fourth proportional to 238,190.40, 356,978.40 and 182,510.40 is: 273,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,190.40 : 356,978.40 = 182,510.40 : x
  2. Step 2: Convert to fraction form
    238,190.40/356,978.40 = 182,510.40/x
  3. Step 3: Cross multiply
    238,190.40x = 356,978.40 × 182,510.40
  4. Step 4: Simplify right side
    238,190.40x = 65,152,270,575.36
  5. Step 5: Solve for x
    x = 65,152,270,575.36/238,190.40
  6. Step 6: Final answer
    x = 273,530.21

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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.