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Finding the Fourth Proportional to 536,158.74, 804,199.77 and 311,378.88

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Solution

The fourth proportional to 536,158.74, 804,199.77 and 311,378.88 is: 467,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,158.74 : 804,199.77 = 311,378.88 : x
  2. Step 2: Convert to fraction form
    536,158.74/804,199.77 = 311,378.88/x
  3. Step 3: Cross multiply
    536,158.74x = 804,199.77 × 311,378.88
  4. Step 4: Simplify right side
    536,158.74x = 250,410,823,678.86
  5. Step 5: Solve for x
    x = 250,410,823,678.86/536,158.74
  6. Step 6: Final answer
    x = 467,046.05

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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.