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Finding the Fourth Proportional to 271,278.99, 374,358.65 and 150,419.16

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Solution

The fourth proportional to 271,278.99, 374,358.65 and 150,419.16 is: 207,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,278.99 : 374,358.65 = 150,419.16 : x
  2. Step 2: Convert to fraction form
    271,278.99/374,358.65 = 150,419.16/x
  3. Step 3: Cross multiply
    271,278.99x = 374,358.65 × 150,419.16
  4. Step 4: Simplify right side
    271,278.99x = 56,310,712,919.64
  5. Step 5: Solve for x
    x = 56,310,712,919.64/271,278.99
  6. Step 6: Final answer
    x = 207,574.91

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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.