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Finding the Fourth Proportional to 353,797.08, 531,064.98 and 311,949.24

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Solution

The fourth proportional to 353,797.08, 531,064.98 and 311,949.24 is: 468,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,797.08 : 531,064.98 = 311,949.24 : x
  2. Step 2: Convert to fraction form
    353,797.08/531,064.98 = 311,949.24/x
  3. Step 3: Cross multiply
    353,797.08x = 531,064.98 × 311,949.24
  4. Step 4: Simplify right side
    353,797.08x = 165,665,316,901.62
  5. Step 5: Solve for x
    x = 165,665,316,901.62/353,797.08
  6. Step 6: Final answer
    x = 468,249.53

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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.