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Finding the Fourth Proportional to 362,570.58, 543,853.71 and 140,954.58

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Solution

The fourth proportional to 362,570.58, 543,853.71 and 140,954.58 is: 211,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,570.58 : 543,853.71 = 140,954.58 : x
  2. Step 2: Convert to fraction form
    362,570.58/543,853.71 = 140,954.58/x
  3. Step 3: Cross multiply
    362,570.58x = 543,853.71 × 140,954.58
  4. Step 4: Simplify right side
    362,570.58x = 76,658,671,274.49
  5. Step 5: Solve for x
    x = 76,658,671,274.49/362,570.58
  6. Step 6: Final answer
    x = 211,431.03

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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.