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Finding the Fourth Proportional to 536,309.91, 804,464.73 and 136,936.35

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Solution

The fourth proportional to 536,309.91, 804,464.73 and 136,936.35 is: 205,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,309.91 : 804,464.73 = 136,936.35 : x
  2. Step 2: Convert to fraction form
    536,309.91/804,464.73 = 136,936.35/x
  3. Step 3: Cross multiply
    536,309.91x = 804,464.73 × 136,936.35
  4. Step 4: Simplify right side
    536,309.91x = 110,160,463,829.94
  5. Step 5: Solve for x
    x = 110,160,463,829.94/536,309.91
  6. Step 6: Final answer
    x = 205,404.49

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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.