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Finding the Fourth Proportional to 362,583.90, 543,357.45 and 251,646.30

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Solution

The fourth proportional to 362,583.90, 543,357.45 and 251,646.30 is: 377,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,583.90 : 543,357.45 = 251,646.30 : x
  2. Step 2: Convert to fraction form
    362,583.90/543,357.45 = 251,646.30/x
  3. Step 3: Cross multiply
    362,583.90x = 543,357.45 × 251,646.30
  4. Step 4: Simplify right side
    362,583.90x = 136,733,891,869.94
  5. Step 5: Solve for x
    x = 136,733,891,869.94/362,583.90
  6. Step 6: Final answer
    x = 377,109.66

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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.