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Finding the Fourth Proportional to 300,736.64, 450,963.70 and 174,412.80

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Solution

The fourth proportional to 300,736.64, 450,963.70 and 174,412.80 is: 261,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,736.64 : 450,963.70 = 174,412.80 : x
  2. Step 2: Convert to fraction form
    300,736.64/450,963.70 = 174,412.80/x
  3. Step 3: Cross multiply
    300,736.64x = 450,963.70 × 174,412.80
  4. Step 4: Simplify right side
    300,736.64x = 78,653,841,615.36
  5. Step 5: Solve for x
    x = 78,653,841,615.36/300,736.64
  6. Step 6: Final answer
    x = 261,537.28

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1.5x scale

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.