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Finding the Fourth Proportional to 536,220.72, 804,330.72 and 136,861.56

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Solution

The fourth proportional to 536,220.72, 804,330.72 and 136,861.56 is: 205,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,220.72 : 804,330.72 = 136,861.56 : x
  2. Step 2: Convert to fraction form
    536,220.72/804,330.72 = 136,861.56/x
  3. Step 3: Cross multiply
    536,220.72x = 804,330.72 × 136,861.56
  4. Step 4: Simplify right side
    536,220.72x = 110,081,957,095.12
  5. Step 5: Solve for x
    x = 110,081,957,095.12/536,220.72
  6. Step 6: Final answer
    x = 205,292.25

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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.