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Finding the Fourth Proportional to 536,366.48, 804,881.96 and 311,832.60

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Solution

The fourth proportional to 536,366.48, 804,881.96 and 311,832.60 is: 467,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,366.48 : 804,881.96 = 311,832.60 : x
  2. Step 2: Convert to fraction form
    536,366.48/804,881.96 = 311,832.60/x
  3. Step 3: Cross multiply
    536,366.48x = 804,881.96 × 311,832.60
  4. Step 4: Simplify right side
    536,366.48x = 250,988,434,279.90
  5. Step 5: Solve for x
    x = 250,988,434,279.90/536,366.48
  6. Step 6: Final answer
    x = 467,942.06

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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.