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Finding the Fourth Proportional to 536,220.90, 804,330.69 and 136,861.64

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Solution

The fourth proportional to 536,220.90, 804,330.69 and 136,861.64 is: 205,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,220.90 : 804,330.69 = 136,861.64 : x
  2. Step 2: Convert to fraction form
    536,220.90/804,330.69 = 136,861.64/x
  3. Step 3: Cross multiply
    536,220.90x = 804,330.69 × 136,861.64
  4. Step 4: Simplify right side
    536,220.90x = 110,082,017,335.73
  5. Step 5: Solve for x
    x = 110,082,017,335.73/536,220.90
  6. Step 6: Final answer
    x = 205,292.29

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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.