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Finding the Fourth Proportional to 271,357.56, 374,428.58 and 150,479.64

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Solution

The fourth proportional to 271,357.56, 374,428.58 and 150,479.64 is: 207,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,357.56 : 374,428.58 = 150,479.64 : x
  2. Step 2: Convert to fraction form
    271,357.56/374,428.58 = 150,479.64/x
  3. Step 3: Cross multiply
    271,357.56x = 374,428.58 × 150,479.64
  4. Step 4: Simplify right side
    271,357.56x = 56,343,877,171.71
  5. Step 5: Solve for x
    x = 56,343,877,171.71/271,357.56
  6. Step 6: Final answer
    x = 207,637.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.