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Finding the Fourth Proportional to 399,167.60, 598,751.40 and 177,551.60

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Solution

The fourth proportional to 399,167.60, 598,751.40 and 177,551.60 is: 266,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,167.60 : 598,751.40 = 177,551.60 : x
  2. Step 2: Convert to fraction form
    399,167.60/598,751.40 = 177,551.60/x
  3. Step 3: Cross multiply
    399,167.60x = 598,751.40 × 177,551.60
  4. Step 4: Simplify right side
    399,167.60x = 106,309,269,072.24
  5. Step 5: Solve for x
    x = 106,309,269,072.24/399,167.60
  6. Step 6: Final answer
    x = 266,327.40

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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.