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Finding the Fourth Proportional to 335,392, 502,940.40 and 177,583.60

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Solution

The fourth proportional to 335,392, 502,940.40 and 177,583.60 is: 266,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,392 : 502,940.40 = 177,583.60 : x
  2. Step 2: Convert to fraction form
    335,392/502,940.40 = 177,583.60/x
  3. Step 3: Cross multiply
    335,392x = 502,940.40 × 177,583.60
  4. Step 4: Simplify right side
    335,392x = 89,313,966,817.44
  5. Step 5: Solve for x
    x = 89,313,966,817.44/335,392
  6. Step 6: Final answer
    x = 266,297.25

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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.