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Finding the Fourth Proportional to 366,939.70, 549,753.45 and 314,451.70

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Solution

The fourth proportional to 366,939.70, 549,753.45 and 314,451.70 is: 471,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,939.70 : 549,753.45 = 314,451.70 : x
  2. Step 2: Convert to fraction form
    366,939.70/549,753.45 = 314,451.70/x
  3. Step 3: Cross multiply
    366,939.70x = 549,753.45 × 314,451.70
  4. Step 4: Simplify right side
    366,939.70x = 172,870,906,933.37
  5. Step 5: Solve for x
    x = 172,870,906,933.37/366,939.70
  6. Step 6: Final answer
    x = 471,115.30

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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.