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Finding the Fourth Proportional to 299,181.60, 448,991.10 and 210,608.10

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Solution

The fourth proportional to 299,181.60, 448,991.10 and 210,608.10 is: 316,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,181.60 : 448,991.10 = 210,608.10 : x
  2. Step 2: Convert to fraction form
    299,181.60/448,991.10 = 210,608.10/x
  3. Step 3: Cross multiply
    299,181.60x = 448,991.10 × 210,608.10
  4. Step 4: Simplify right side
    299,181.60x = 94,561,162,487.91
  5. Step 5: Solve for x
    x = 94,561,162,487.91/299,181.60
  6. Step 6: Final answer
    x = 316,066.10

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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.