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Finding the Fourth Proportional to 544,505.12, 816,757.17 and 165,424.31

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Solution

The fourth proportional to 544,505.12, 816,757.17 and 165,424.31 is: 248,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,505.12 : 816,757.17 = 165,424.31 : x
  2. Step 2: Convert to fraction form
    544,505.12/816,757.17 = 165,424.31/x
  3. Step 3: Cross multiply
    544,505.12x = 816,757.17 × 165,424.31
  4. Step 4: Simplify right side
    544,505.12x = 135,111,490,574.03
  5. Step 5: Solve for x
    x = 135,111,490,574.03/544,505.12
  6. Step 6: Final answer
    x = 248,136.31

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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.