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Finding the Fourth Proportional to 536,465.60, 804,698.40 and 203,998.40

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Solution

The fourth proportional to 536,465.60, 804,698.40 and 203,998.40 is: 305,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,465.60 : 804,698.40 = 203,998.40 : x
  2. Step 2: Convert to fraction form
    536,465.60/804,698.40 = 203,998.40/x
  3. Step 3: Cross multiply
    536,465.60x = 804,698.40 × 203,998.40
  4. Step 4: Simplify right side
    536,465.60x = 164,157,186,082.56
  5. Step 5: Solve for x
    x = 164,157,186,082.56/536,465.60
  6. Step 6: Final answer
    x = 305,997.60

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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.