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Finding the Fourth Proportional to 536,380.66, 804,570.99 and 137,022.31

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Solution

The fourth proportional to 536,380.66, 804,570.99 and 137,022.31 is: 205,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,380.66 : 804,570.99 = 137,022.31 : x
  2. Step 2: Convert to fraction form
    536,380.66/804,570.99 = 137,022.31/x
  3. Step 3: Cross multiply
    536,380.66x = 804,570.99 × 137,022.31
  4. Step 4: Simplify right side
    536,380.66x = 110,244,175,608.79
  5. Step 5: Solve for x
    x = 110,244,175,608.79/536,380.66
  6. Step 6: Final answer
    x = 205,533.47

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Double scale
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Similar ratio
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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.