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Finding the Fourth Proportional to 493,954.20, 739,181.70 and 336,490.20

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Solution

The fourth proportional to 493,954.20, 739,181.70 and 336,490.20 is: 503,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,954.20 : 739,181.70 = 336,490.20 : x
  2. Step 2: Convert to fraction form
    493,954.20/739,181.70 = 336,490.20/x
  3. Step 3: Cross multiply
    493,954.20x = 739,181.70 × 336,490.20
  4. Step 4: Simplify right side
    493,954.20x = 248,727,398,069.34
  5. Step 5: Solve for x
    x = 248,727,398,069.34/493,954.20
  6. Step 6: Final answer
    x = 503,543.44

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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.